
About Semler
Semler Scientific, Inc. develops, manufactures and markets innovative products and services that support the early detection and treatment of chronic diseases.
Our flagship product, QuantaFlo®, is a patented, FDA-cleared point-of-care product that measures arterial blood flow in the extremities and provides results in a matter of minutes. QuantaFlo supports health care providers in the early diagnosis of vascular diseases, even in patients who are asymptomatic.
Our History of Accomplishments
2007
Dr. Herbert J. Semler cofounded Semler Scientific.
2010
Received FDA 510K clearance for first PAD system FloChec.
2015
Received FDA Clearance and ANSI Accreditation for QuantaFlo.
2016
Recognized in Deloitte's Technology Fast 500.
2018
Received HITRUST 9.1 Certification.
Reached milestone of 1,000,000 QuantaFlo Test Performed.
2020
Received HITRUST 9.2 Certification.
Introduced SemlerShield, SemlerVault, and SemlerAnalytics.
Recognized in Deloitte's Technology Fast 500 for Third Consecutive Year.
2021
Launched first ANAB Accredited Certificate Program for SemlerSimulation online Training.
2022
Received HITRUST 9.6 Certification.
Recognized in Forbes Top 100 Small-Cap List.
2023
Introduced Cloud-based computing for QuantaFlo Software.
2024
Introduced SemlerHub.
Semler Leadership
Michelle Fox - Chief Executive Officer
Michelle Fox is Chief Executive Officer of Semler Scientific and CardioVanta. She brings more than 20 years of experience in the med tech sector, with deep expertise in clinical governance, regulatory alignment, reimbursement strategy and the integration of medical affairs within complaint commercial frameworks. She has a track record of scaling clinical and commercial infrastructure to drive sustainable growth and practice change.
Prior to her appointment as CEO, Michelle held senior leadership roles at Teleflex following the company’s acquisition of Vidacare in December 2013. She most recently served as the Corporate Vice President and Chief Medical Officer, where she scaled a global Clinical and Medical Affairs organization. In that capacity, she oversaw clinical development, medical strategy, scientific engagement, government affairs, health policy, and reimbursement, ensuring alignment with regulatory standards and corporate compliance requirements.
Throughout her career, Michelle has built and led clinical infrastructure designed to support the safe and appropriate use of products to advance patient care. She led evidence generation, adherence to evolving regulatory and reimbursement frameworks globally. She has extensive experience operating in highly regulated environments and working cross-functionally to embed compliance and transparent decision making into clinical and commercial processes.
Michelles’ leadership has focused on organizational development at the intersection of medicine, innovation, and systems change. She is recognized for translating clinical evidence into practice through professional society engagement, regulatory alignment, and interactive medical education. Her approach combines deep clinical expertise with the ability to lead cross-functional and geographically diverse teams in complex regulatory and commercial environments. She has lectured nationally and internationally on the operational impact of strong Clinical and Medical Affairs functions and their ability to align with professional societies and regulatory standards and deliver on governance requirements.
Michelle serves the Chair of the Board of Directors of the Massachusetts Medical Device Industry Council (MassMEDIC), where she served as a board member beginning in 2020. Her appointment as Chair reflects her longstanding commitment to advancing the MedTech ecosystem and advancing patient care by shaping policy innovation and industry growth.
Michelle holds a Bachelor of Science in Nursing from Colby-Sawyer College, which at the time operated in academic affiliation with Dartmouth. She completed a Critical Care Residency at Beth Israel Deaconess Medical Center. She has held advisory positions with both medical and nursing societies and has contributed to the development of professional standards in multiple specialty areas. Her work consistently reflects a clinical-first orientation, with an emphasis on patient outcomes, operational scalability, and compliance with medical policy frameworks.
Michelle is based in Boston, MA, USA.
Jennifer Oliva Herrington - Chief Operating Officer
Jennifer Oliva Herrington serves as Chief Operating Officer of Semler Scientific and President of CardioVanta, the company’s cardiovascular-focused business. In these roles, she has operating responsibility for the cardiovascular franchise, including technology strategy, product development, manufacturing, engineering, and business development, with accountability for execution across the entire business.
Ms. Oliva Herrington brings more than 25 years of experience leading regulated healthcare and medical technology organizations. Her background includes building and scaling operating platforms, translating clinical and technical innovation into commercial outcomes, and working closely with boards and executive leadership to drive disciplined growth and operational performance.
As COO of Semler Scientific and President of CardioVanta, Ms. Oliva Herrington serves as the senior operating executive for the cardiovascular business, setting strategy, allocating resources, and ensuring operational and commercial alignment in support of long-term value creation and improved cardiovascular outcomes.
Luke Daigneault - Interim Chief Financial Officer
Luke Daigneault serves as Interim Chief Financial Officer of Semler Scientific. Mr. Daigneault additionally serves as Vice President of Corporate Strategy at Strive, Inc. (Nasdaq: ASST) where he continues to contribute to expansionary initiatives across the company's bitcoin treasury and asset management segments. Prior to Strive, he was a member of the Portfolio Operations group at Blackstone, where he managed operating relationships within its GP Stakes funds, focusing on cost optimization across portfolio companies.
Gena D. Parker - Chief Compliance Officer
Gena D. Parker serves as Chief Compliance Officer. Gena joined Semler Scientific in January 2020 and has been responsible for developing and directing regulatory strategy, policies, and objectives from early-stage product development through the life cycle of medical device management. Additionally, Gena leads a team of quality and regulatory professionals in maintaining an effective framework for meeting audit and regulatory requirements. With over 25 years of experience in the Silicon Valley medical device industry, including 10 years at Phoenix DeVentures, her chief goal is creating and meeting the highest product quality standards while exceeding customer expectations.
