Barrett Larson, MD
Co-Founder and Chief Executive Officer
Barrett Larson is a physician-entrepreneur passionate about developing new technologies
that improve patient care and reduce healthcare costs. He earned his medical degree from
Stanford University and stayed there to do his residency training in anesthesiology. Barrett is
the director of the Stanford Anesthesia Innovation Lab (SAIL) and the recipient of numerous
medical technology innovation awards. He started Leaf Healthcare after discovering an
enormous opportunity for wearables to transform the care of hospitalized patients. By
operating at the interface between clinical medicine, academics, and industry, Barrett is able
to facilitate the rapid commercialization of innovative medical technologies.
Mark Weckwerth, PhD
Director and Chief Operating Officer
Mark Weckwerth has proven successful in growing high-tech start-up companies into
successful businesses. He excels in building organizations and leading teams ideally suited
for the development, manufacture, and sales of FDA regulated medical devices. His track
record includes helping lead two previous start-up medical device companies grow from $0 to
greater than $50M in annual revenue. Mark studied electrical engineering and received a
bachelor's degree with high honors from the University of Minnesota, and a master's degree
and doctorate from Stanford University. Mark is an accomplished leader, proficient engineer,
and creative innovator who thrives on interactive, collaborative work environments.
Vice President, Marketing and Strategic Business Development
Mark Smith has held sales, marketing and business development positions in the medical
device industry for over 25 years for start-up, mid-sized and fortune 100 companies. Product
areas of focus have been physiological patient monitoring and cardiac defibrillation,
telemedicine and advanced wound care. Mark has proven expertise in areas of business
development, strategic partnerships, direct and distribution sales force development, training
and management, strategic planning, new product requirement development, marketing,
brand development and the pioneering of new products into healthcare markets. Mark has
earned both BS and MBA degrees from the University of Oregon.
Vice President, Market Development
Annemari Cooley has a track record in global medical device marketing, business
development and market development that spans more than15 years with companies such as
GE Healthcare, Welch Allyn and Covidien. She has successfully launched new products,
developed value propositions for new markets and managed strategic account portfolios
worth tens of millions of dollars and with double digit revenue growth. Annemari has earned a
Master of Arts degree from the University of Heidelberg in Germany and an MBA from the
University of Oregon.
Daniel is a healthcare entrepreneur who has focused on targeting large underserved patient
needs with solutions that improve outcomes for patients and the healthcare system as a whole.
He combines his training in Electrical Engineering and Computer Science from MIT, medicine
at Stanford, and consumer product design and development experience from the MIT Media
Lab to help understand in depth the needs and wishes of patients as well and how to create
and develop elegant technical solutions to address them.