Meet Our Team

leon ceo of lexington medical

Leon Amariglio

Founder and CEO

Leon is the Founder and CEO of the company and serves as a Board Member. Previously, he co-founded and ran Rhythmia Medical, Inc. which developed a revolutionary cardiac mapping system for the treatment of cardiac arrhythmias and was acquired by Boston Scientific in 2012. The technology has been used to help treat over 25,000 patients across hundreds of hospitals around the world.

Prior to Rhythmia, Leon led business development at Ceragon Networks Ltd  (Nasdaq: CRNT) and worked at Deutsche Bank. Leon holds an MBA degree from Harvard Business School and a Masters of Engineering degree from the University of Cambridge. Leon speaks 6 languages and holds over 40 issued and pending medical device patents.

Marc Jin

Marc Jin

Chief Operating Officer

Marc leads Operations at Lexington Medical. He was previously CEO of innoPad, a materials technology company that developed and manufactured precision equipment for semiconductor manufacturing and was acquired by FNS Tech in 2013. Prior to innoPad, Marc led the production launch of multiple engines programs at Ford Motor Company. Marc holds an MBA from MIT Sloan and a BSME from Cornell University.


Andrew Marecki

Head of Technology

Andrew is the Head of Technology at Lexington Medical, leading the engineering design and development of Lexington Medical’s surgical devices including the AEON™  Endostapler. Previously, he was a mechanical design engineer for Rhythmia Medical, and then worked with Boston Scientific following Rhythmia’s acquisition. Andrew holds a BS and MS from MIT in mechanical engineering.

Tripp Phelps

Head of Sales

Tripp leads the US sales team and is responsible for developing and implementing strategies to meet our commercial goals. Tripp joined Lexington Medical in 2019 and served as Regional Sales Director for the Southeastern US. Tripp brings nearly 20 years of medical device sales experience. Prior to Lexington, Tripp held numerous leadership roles at Applied Medical. 

Shawn Riley

Shawn Riley

Head of Market Development

Shawn brings 25 years of sales and sales management experience with a long and demonstrated history of success working in the medical device industry. Previously, Shawn was the Global VP of Sales at Mederi Therapeutics, and held sales and sales management positions with Xerox Healthcare, Perot Systems and Cerner Corporation.

Luke Dohmen

Luke Dohmen

Chief Patent Counsel

Luke acts as Lexington Medical’s Chief Patent Counsel. Luke has over 25 years of Intellectual Property legal experience in the medical device field.  He was previously Chief Patent Counsel for Boston Scientific Corp for where he spent 23 years leading the worldwide IP team. He provides counsel on intellectual property related issues.

Talent Density

We have vigilantly cultivated a team of highly talented, collaborative, and creative individuals who embrace complex challenges. Providing life-saving technology to doctors and their patients fuels our pursuit of continuous and disruptive innovation. Learn about our culture.

Board Members


Doron Harlev

Doron serves as a Board Member at Lexington Medical. He was the founder and CEO of Affera, Inc. which was acquired by Medtronic in 2022. Previously, he co-founded and ran Rhythmia Medical with Leon. Following the acquisition of the company Doron served as Vice President of Product and Technology at Boston Scientific. Doron is a prolific inventor holding over 90 issued and pending patents.


Aaron Sandoski

Aaron serves as a Board Member at Lexington Medical. He brings nearly 20 years of medical device investment experience and uses his expertise as Managing Director at Norwich Ventures to guide companies throughout their rapid growth. Previously, Aaron worked for engineering think tank DEKA, and started his career as a consultant at McKinsey & Company.

Roberto Saint-Malo

Roberto Saint-Malo

Roberto is a Board Observer at Lexington Medical. As Managing Partner at BetaAngels, he is an accomplished investor who has been involved in dozens of company-building efforts across industries ranging from healthcare and technology to retail and travel. Before focusing on venture capital, Roberto worked at McKinsey & Company and he is also an active member of YPO’s global leadership community.

Dave Lang

David Lang

Dave serves as a Board Member at Lexington Medical. As a health care growth investor, he is an active board member for several leading healthcare companies. He is also Chairman of the Board of Lahey Hospital and Medical Center. He worked at TA Associates for 25 years where he led the Healthcare practice and achieved a return three times the capital he invested. Dave holds an MBA from Harvard Business School and a BA in Economics from Harvard.

Be Part Of Our Success

We seek individuals drawn to high-performance teams, accountability, and autonomy.