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Q’Apel Leadership

Q’Apel Medical is led by an experienced team united by a
shared belief that advancing neurovascular care requires technical
excellence and deep respect for the complexity of the work. 

That’s why we work hand-in-hand with neurovascular operators. We study the subtle nuances that define these delicate interventions—from anatomy and tortuosity to feel, control, and response. We intentionally embed that insight into our technologies, enabling a purposeful balance of flexibility, strength, and precision, and unlocking the full potential of neurovascular intervention.

Senior Leadership

Stewart Strong

Chief Executive Officer

Stewart Strong Headshot

Stew brings to Q’Apel Medical more than 25 years of leadership experience in the medical device space. He has a proven track record of success in creating high-performing global teams to drive revenue growth and profitability in both large, publicly traded enterprises and privately backed organizations. Stew most recently served as the Global President of the Haemonetics Hospital Business Unit, where he spearheaded a threefold revenue growth since joining the company in 2019. Prior to that, Stew was President of the Teleflex Interventional franchise and was responsible for Teleflex driving deeper penetration into the interventional cardiology and radiology spaces. Mr. Strong began his career with Ethicon Endo-Surgery (J&J), followed by Medtronic Cardiovascular, before holding executive leadership roles at Atricure, Inc., and Vidacare, Inc. (acquired by Teleflex in 2013). He currently serves on the Board of Directors of Obvius Robotics and previously served on the Board of Vivasure Medical.

Stewart Strong Headshot

Stewart Strong

Chief Executive Officer

Stewart Strong

Chief Executive Officer

Stew brings to Q’Apel Medical more than 25 years of leadership experience in the medical device space. He has a proven track record of success in creating high-performing global teams to drive revenue growth and profitability in both large, publicly traded enterprises and privately backed organizations. Stew most recently served as the Global President of the Haemonetics Hospital Business Unit, where he spearheaded a threefold revenue growth since joining the company in 2019. Prior to that, Stew was President of the Teleflex Interventional franchise and was responsible for Teleflex driving deeper penetration into the interventional cardiology and radiology spaces. Mr. Strong began his career with Ethicon Endo-Surgery (J&J), followed by Medtronic Cardiovascular, before holding executive leadership roles at Atricure, Inc., and Vidacare, Inc. (acquired by Teleflex in 2013). He currently serves on the Board of Directors of Obvius Robotics and previously served on the Board of Vivasure Medical.

Jeff Krolik

Chief Technology Officer

Jeff Krolik Headshot

Jeff is a medical device entrepreneur with over 25 years of experience developing innovative devices. Before joining Q’Apel, he served as Vice President of Engineering at Hotspur Technologies, where he led the development of the GPSCath PTCA catheter, which was sold to Teleflex in July 2012. Prior to that, Jeff served as Vice President of Research and Development at SquareOne, Inc., where he led the development of the BOSS Ostial Stent System from inception through its first human clinical use. Jeff also served as the lead engineer for the FilterWire EX Embolic Protection System at Embolic Protection Inc., which was later acquired by Boston Scientific. Jeff is an inventor on 73 issued and pending patents and holds a B.S. in Materials Science and Engineering from San Jose State University.

Jeff Krolik Headshot

Jeff Krolik

Chief Technology Officer

Jeff Krolik

Chief Technology Officer

Jeff is a medical device entrepreneur with over 25 years of experience developing innovative devices. Before joining Q’Apel, he served as Vice President of Engineering at Hotspur Technologies, where he led the development of the GPSCath PTCA catheter, which was sold to Teleflex in July 2012. Prior to that, Jeff served as Vice President of Research and Development at SquareOne, Inc., where he led the development of the BOSS Ostial Stent System from inception through its first human clinical use. Jeff also served as the lead engineer for the FilterWire EX Embolic Protection System at Embolic Protection Inc., which was later acquired by Boston Scientific. Jeff is an inventor on 73 issued and pending patents and holds a B.S. in Materials Science and Engineering from San Jose State University.

Ken Peartree

Chief Operating Officer

Ken Peartree Headshot

Ken is an operations and product development executive with a 30-year track record of bringing new medical technologies to market. He has commercialized products in a range of surgical specialties, including general surgery, vascular surgery, urology, and ophthalmology. In 2011, Ken founded Ocunetics, Inc., and sold its technology to Iridex Corp, where he remained as VP of R&D until 2015. Ken’s previous experience includes Axiom Technology Partners, acquired by Teleflex in 2012, as well as General Surgical Innovations, Inc., acquired by Tyco Healthcare. Ken graduated from UC Berkeley’s College of Engineering and holds an MBA from the Columbia Business School in New York.

Ken Peartree Headshot

Ken Peartree

Chief Operating Officer

Ken Peartree

Chief Operating Officer

Ken is an operations and product development executive with a 30-year track record of bringing new medical technologies to market. He has commercialized products in a range of surgical specialties, including general surgery, vascular surgery, urology, and ophthalmology. In 2011, Ken founded Ocunetics, Inc., and sold its technology to Iridex Corp, where he remained as VP of R&D until 2015. Ken’s previous experience includes Axiom Technology Partners, acquired by Teleflex in 2012, as well as General Surgical Innovations, Inc., acquired by Tyco Healthcare. Ken graduated from UC Berkeley’s College of Engineering and holds an MBA from the Columbia Business School in New York.

John Dahldorf

Chief Financial Officer

John Dahldorf Headshot

John joined Q’Apel Medical in March 2025 as Chief Financial Officer. He previously was the CFO of Digirad Corporation, Volcano Corporation, Acutus Medical, SCN Bestco, and Adagio Medical Holdings. He has more than 20 years of experience leading finance and accounting functions in public and private healthcare companies and currently serves on the Board of Directors of Hyperfine, Inc. John holds a Bachelor’s degree in Finance and an MBA from Western Illinois University.

John Dahldorf Headshot

John Dahldorf

Chief Financial Officer

John Dahldorf

Chief Financial Officer

John joined Q’Apel Medical in March 2025 as Chief Financial Officer. He previously was the CFO of Digirad Corporation, Volcano Corporation, Acutus Medical, SCN Bestco, and Adagio Medical Holdings. He has more than 20 years of experience leading finance and accounting functions in public and private healthcare companies and currently serves on the Board of Directors of Hyperfine, Inc. John holds a Bachelor’s degree in Finance and an MBA from Western Illinois University.

Tim Davis

Vice President, Sales

Tim Davis Headshot

Tim is a senior commercial leader with over 30 years of experience in the medical device industry, specializing in neurovascular and neurosurgical innovation. He has a proven track record of driving double-digit growth, scaling high-performance sales organizations, and successfully commercializing disruptive technologies. He has successfully led commercial organizations through three acquisitions and integrations—Anspach Companies to Synthes (2010), Synthes to Johnson & Johnson (2012), and NICO Corporation to Stryker (2024)—while helping establish new standards of care through market-building clinical innovation.

Tim Davis Headshot

Tim Davis

Vice President, Sales

Tim Davis

Vice President, Sales

Tim is a senior commercial leader with over 30 years of experience in the medical device industry, specializing in neurovascular and neurosurgical innovation. He has a proven track record of driving double-digit growth, scaling high-performance sales organizations, and successfully commercializing disruptive technologies. He has successfully led commercial organizations through three acquisitions and integrations—Anspach Companies to Synthes (2010), Synthes to Johnson & Johnson (2012), and NICO Corporation to Stryker (2024)—while helping establish new standards of care through market-building clinical innovation.

Carlos Estrada

Vice President, Global Marketing

Carlos Estrada Headshot

Carlos is a Marketing professional with over thirty years of experience in small to large multinational companies in the medical device space. He has a proven track record creating impactful sales and marketing campaigns and developing corporate culture.  Before joining Q’Apel, Carlos held senior leadership positions at both industry- leading companies including Stryker Neurovascular, Cordis (Johnson & Johnson), and Guidant, as well as smaller organizations including Concentric Medical (acquired by Stryker Neurovascular), Conor MedSystems (acquired by Cordis) and Vascular Architects. He holds a B.S. in Business Administration from Point Loma University and an MBA with concentrations in Marketing and International Business from Santa Clara University.

Carlos Estrada Headshot

Carlos Estrada

Vice President, Global Marketing

Carlos Estrada

Vice President, Global Marketing

Carlos is a Marketing professional with over thirty years of experience in small to large multinational companies in the medical device space. He has a proven track record creating impactful sales and marketing campaigns and developing corporate culture.  Before joining Q’Apel, Carlos held senior leadership positions at both industry- leading companies including Stryker Neurovascular, Cordis (Johnson & Johnson), and Guidant, as well as smaller organizations including Concentric Medical (acquired by Stryker Neurovascular), Conor MedSystems (acquired by Cordis) and Vascular Architects. He holds a B.S. in Business Administration from Point Loma University and an MBA with concentrations in Marketing and International Business from Santa Clara University.

Michael Deghuee

Vice President, Manufacturing

Michael Deghuee Headshot

Michael comes to Q’Apel from Johnson and Johnson (formerly Verb Surgical), where he was the VP of Manufacturing and Service for surgical robotics. Michael has a track record of using his expertise to drive high levels of quality and delivery while developing high-performance teams that are energized and grow with the company. Prior to joining Verb Surgical, Michael held key manufacturing and operational positions at Radiation Oncology equipment providers: ViewRay and Accuray.

Michael Deghuee Headshot

Michael Deghuee

Vice President, Manufacturing

Michael Deghuee

Vice President, Manufacturing

Michael comes to Q’Apel from Johnson and Johnson (formerly Verb Surgical), where he was the VP of Manufacturing and Service for surgical robotics. Michael has a track record of using his expertise to drive high levels of quality and delivery while developing high-performance teams that are energized and grow with the company. Prior to joining Verb Surgical, Michael held key manufacturing and operational positions at Radiation Oncology equipment providers: ViewRay and Accuray.

Jennifer Mateus

Vice President, Regulatory and Quality

Jennifer Mateus Headshot

Jennifer is a seasoned regulatory, quality, and clinical affairs strategist with over 25 years of experience guiding medical products to global markets. Known for her visionary leadership, strategic acumen, and innovative approach, Jennifer specializes in high-complexity medical devices and has played a pivotal role in bringing groundbreaking technologies to patients worldwide. Before joining Q’Apel, Jennifer held senior leadership positions at industry-leading companies, including Stryker Neurovascular, CardioKinetix, Abbott, Guidant, and Medtronic. She holds a B.S. in Mass Communication – Journalism from San Jose State University.

Jennifer Mateus Headshot

Jennifer Mateus

Vice President, Regulatory and Quality

Jennifer Mateus

Vice President, Regulatory and Quality

Jennifer is a seasoned regulatory, quality, and clinical affairs strategist with over 25 years of experience guiding medical products to global markets. Known for her visionary leadership, strategic acumen, and innovative approach, Jennifer specializes in high-complexity medical devices and has played a pivotal role in bringing groundbreaking technologies to patients worldwide. Before joining Q’Apel, Jennifer held senior leadership positions at industry-leading companies, including Stryker Neurovascular, CardioKinetix, Abbott, Guidant, and Medtronic. She holds a B.S. in Mass Communication – Journalism from San Jose State University.

Ramneet Sandhu

Vice President, Human Resources

Ramneet Sandhu Headshot

Ramneet brings over 18 years of experience in Human Resources, encompassing numerous leadership roles of increasing scope and complexity. She has played a pivotal role in shaping company culture and nurturing talent during high-growth periods, spanning from startups to multinational organizations with impressive expansions. Ramneet’s deep passion for employee experience, talent development, company culture, cutting edge technology and high growth environments has enabled her to create scalable infrastructures that empower mission-driven organizations like Q’Apel to attract, retain, and inspire exceptional talent while achieving meaningful results. Prior to joining Q’Apel, Ramneet served as a Global Human Resources leader at Cepheid, a subsidiary of Danaher and a global leader in the field of molecular diagnostic testing.

Ramneet completed the Chief Human Resources Program (CHRO) from the University of Pennsylvania- Wharton. She holds a Bachelor of Science degree in Business Administration and Human Resources from California State University, East Bay.

Ramneet Sandhu Headshot

Ramneet Sandhu

Vice President, Human Resources

Ramneet Sandhu

Vice President, Human Resources

Ramneet brings over 18 years of experience in Human Resources, encompassing numerous leadership roles of increasing scope and complexity. She has played a pivotal role in shaping company culture and nurturing talent during high-growth periods, spanning from startups to multinational organizations with impressive expansions. Ramneet’s deep passion for employee experience, talent development, company culture, cutting edge technology and high growth environments has enabled her to create scalable infrastructures that empower mission-driven organizations like Q’Apel to attract, retain, and inspire exceptional talent while achieving meaningful results. Prior to joining Q’Apel, Ramneet served as a Global Human Resources leader at Cepheid, a subsidiary of Danaher and a global leader in the field of molecular diagnostic testing.

Ramneet completed the Chief Human Resources Program (CHRO) from the University of Pennsylvania- Wharton. She holds a Bachelor of Science degree in Business Administration and Human Resources from California State University, East Bay.

Board Members

R. King Nelson

Executive Chairperson

R. King Nelson Headshot

King is a seasoned medical device industry leader and executive bringing more than 40 years' experience.He most recently served as CEO and Director of Q'Apel Medical from 2019-2024 and he currently serves as Chairman of the Board of the company. He also currently serves as a Director for Connect Health, Regenesis Biomedical and Chairman of Miracle for Kids Charity.

Previous CEO roles include Uptake Medical, Kerberos Proximal Solutions and VenPro Medical. Prior to these roles King spent almost 20 years in leadership roles with Baxter and American Hospital Supply. King has a Bachelor Degree from Texas Tech University and MBA from The Herbert School of Business at the University of Miami.

“Q'Apel has a very unique and consistent method of innovation of new technology and leading products."

R. King Nelson Headshot

R. King Nelson

Executive Chairperson

R. King Nelson

Executive Chairperson

King is a seasoned medical device industry leader and executive bringing more than 40 years' experience.He most recently served as CEO and Director of Q'Apel Medical from 2019-2024 and he currently serves as Chairman of the Board of the company. He also currently serves as a Director for Connect Health, Regenesis Biomedical and Chairman of Miracle for Kids Charity.

Previous CEO roles include Uptake Medical, Kerberos Proximal Solutions and VenPro Medical. Prior to these roles King spent almost 20 years in leadership roles with Baxter and American Hospital Supply. King has a Bachelor Degree from Texas Tech University and MBA from The Herbert School of Business at the University of Miami.

“Q'Apel has a very unique and consistent method of innovation of new technology and leading products."

Stewart Strong

Chief Executive Officer

Stewart Strong Headshot

Stew brings to Q’Apel Medical more than 25 years of leadership experience in the medical device space. He has a proven track record of success in creating high-performing global teams to drive revenue growth and profitability in both large, publicly traded enterprises and privately backed organizations. Stew most recently served as the Global President of the Haemonetics Hospital Business Unit, where he spearheaded a threefold revenue growth since joining the company in 2019. Prior to that, Stew was President of the Teleflex Interventional franchise and was responsible for Teleflex driving deeper penetration into the interventional cardiology and radiology spaces. Mr. Strong began his career with Ethicon Endo-Surgery (J&J), followed by Medtronic Cardiovascular, before holding executive leadership roles at Atricure, Inc., and Vidacare, Inc. (acquired by Teleflex in 2013). He currently serves on the Board of Directors of Obvius Robotics and previously served on the Board of Vivasure Medical.

Stewart Strong Headshot

Stewart Strong

Chief Executive Officer

Stewart Strong

Chief Executive Officer

Stew brings to Q’Apel Medical more than 25 years of leadership experience in the medical device space. He has a proven track record of success in creating high-performing global teams to drive revenue growth and profitability in both large, publicly traded enterprises and privately backed organizations. Stew most recently served as the Global President of the Haemonetics Hospital Business Unit, where he spearheaded a threefold revenue growth since joining the company in 2019. Prior to that, Stew was President of the Teleflex Interventional franchise and was responsible for Teleflex driving deeper penetration into the interventional cardiology and radiology spaces. Mr. Strong began his career with Ethicon Endo-Surgery (J&J), followed by Medtronic Cardiovascular, before holding executive leadership roles at Atricure, Inc., and Vidacare, Inc. (acquired by Teleflex in 2013). He currently serves on the Board of Directors of Obvius Robotics and previously served on the Board of Vivasure Medical.

Chris Martin

Board of Directors

Chris Martin Headshot

Chris is President, Medical Devices & CFO of Research Corporation Technologies, Inc. (RCT). RCT is a technology investment company with over $800 million in assets. Along with his management responsibilities, Chris directs RCT’s medical device team and portfolio of investments. Chris is a Member of the RCT Board of Directors and serves on the board of a number of RCT’s portfolio companies. He received a BS in Biology from the University of Michigan, an MS in Biomedical Engineering from the University of Southern California, and an MBA from The Anderson School at UCLA.

Chris Martin Headshot

Chris Martin

Board of Directors

Chris Martin

Board of Directors

Chris is President, Medical Devices & CFO of Research Corporation Technologies, Inc. (RCT). RCT is a technology investment company with over $800 million in assets. Along with his management responsibilities, Chris directs RCT’s medical device team and portfolio of investments. Chris is a Member of the RCT Board of Directors and serves on the board of a number of RCT’s portfolio companies. He received a BS in Biology from the University of Michigan, an MS in Biomedical Engineering from the University of Southern California, and an MBA from The Anderson School at UCLA.

Carter McNabb

Board of Directors

Carter McNabb Headshot

Carter is Managing Partner at RC Capital (RCC), where he leads the firm’s medical technology investing practice and has been central to building its healthcare strategy and reputation within the medical device sector. Since joining RCC in 1999, he has partnered with founders and management teams to scale innovative technologies that improve clinical outcomes and patient care.Prior to RCC, Carter worked in marketing and business development at Home Technology Healthcare, a private equity-backed home healthcare platform later acquired by Integrated Health Services. As a Bradford Fellow, he also worked in equity research at J.C. Bradford & Co. while earning his MBA from Vanderbilt University.

Carter has achieved numerous highly profitable exits in healthcare services and medical technology, including Suros Surgical Systems (acquired by Hologic), Bolder Surgical (acquired by Hologic), Accelecare (acquired by Revelstoke), SurgiQuest (acquired by CONMED), NICO (acquired by Stryker), OrthoHelix (acquired by Tornier), Invivodata (acquired by ERT), PerfectServe (acquired by K1), TissueTech (majority recap by EssexWoodlands), Standard Bariatrics (acquired by Teleflex), OMNIA (majority recap by Leonard Green & Partners), and Orthoscan (acquired by ATON). Carter is also an independent board member of UC Health, the largest academic medical center in Southwest Ohio. He holds a BA in classical studies from Trinity College and an MBA from Vanderbilt University.

Carter McNabb Headshot

Carter McNabb

Board of Directors

Carter McNabb

Board of Directors

Carter is Managing Partner at RC Capital (RCC), where he leads the firm’s medical technology investing practice and has been central to building its healthcare strategy and reputation within the medical device sector. Since joining RCC in 1999, he has partnered with founders and management teams to scale innovative technologies that improve clinical outcomes and patient care.Prior to RCC, Carter worked in marketing and business development at Home Technology Healthcare, a private equity-backed home healthcare platform later acquired by Integrated Health Services. As a Bradford Fellow, he also worked in equity research at J.C. Bradford & Co. while earning his MBA from Vanderbilt University.

Carter has achieved numerous highly profitable exits in healthcare services and medical technology, including Suros Surgical Systems (acquired by Hologic), Bolder Surgical (acquired by Hologic), Accelecare (acquired by Revelstoke), SurgiQuest (acquired by CONMED), NICO (acquired by Stryker), OrthoHelix (acquired by Tornier), Invivodata (acquired by ERT), PerfectServe (acquired by K1), TissueTech (majority recap by EssexWoodlands), Standard Bariatrics (acquired by Teleflex), OMNIA (majority recap by Leonard Green & Partners), and Orthoscan (acquired by ATON). Carter is also an independent board member of UC Health, the largest academic medical center in Southwest Ohio. He holds a BA in classical studies from Trinity College and an MBA from Vanderbilt University.

R. Scott Huennekens

Board of Directors

R. Scott Huennekens Headshot

R. Scott most recently served as the President, CEO, and Chairman for Verb Surgical, a startup company formed by Google and Johnson & Johnson to develop surgical platforms including advanced surgical robotics, from August 2015 to December 2018. Prior to joining Verb Surgical, Scott was president, CEO, and a member of the board of directors of Volcano Corporation, a medical device company focused on coronary artery disease, from 2002 until Volcano was acquired by Royal Philips in February 2015. He currently serves as a member of the board of directors of Envista, QuidelOrtho, and Neuropace. Scott received a BS in business administration from the University of Southern California, and an MBA from the Harvard Business School.

R. Scott Huennekens Headshot

R. Scott Huennekens

Board of Directors

R. Scott Huennekens

Board of Directors

R. Scott most recently served as the President, CEO, and Chairman for Verb Surgical, a startup company formed by Google and Johnson & Johnson to develop surgical platforms including advanced surgical robotics, from August 2015 to December 2018. Prior to joining Verb Surgical, Scott was president, CEO, and a member of the board of directors of Volcano Corporation, a medical device company focused on coronary artery disease, from 2002 until Volcano was acquired by Royal Philips in February 2015. He currently serves as a member of the board of directors of Envista, QuidelOrtho, and Neuropace. Scott received a BS in business administration from the University of Southern California, and an MBA from the Harvard Business School.

Sean Yu

Board of Directors

Sean Yu Headshot

Sean is a Principal at Soleus Capital Management LP, a healthcare investment firm primarily focused on the innovative areas of life sciences, where he focuses on investing in Medical Technology companies across both public and private markets. Prior to joining Soleus, Sean was an associate at Guggenheim Partners, where he focused on biopharma mergers and acquisitions. Sean holds a bachelor's degree from Cornell University.

Sean Yu Headshot

Sean Yu

Board of Directors

Sean Yu

Board of Directors

Sean is a Principal at Soleus Capital Management LP, a healthcare investment firm primarily focused on the innovative areas of life sciences, where he focuses on investing in Medical Technology companies across both public and private markets. Prior to joining Soleus, Sean was an associate at Guggenheim Partners, where he focused on biopharma mergers and acquisitions. Sean holds a bachelor's degree from Cornell University.

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