About Us

Joseph Rinehart, MD

Joe RinehartDr. Rinehart is one of the founders of Sironis .  He is a practicing clinical anesthesiologist and a software engineer with over 15 years of experience in application development, autonomous systems, and complex algorithms.  He attended medical school at Creighton, and then after finishing his anesthesiology residency in Chicago he moved to the University of California Irvine.  There, he acts an associate director of the residency program and a director of clinical operations in addition to developing an active research program in new technologies and data utilization in clinical anesthesiology.

He has published numerous articles on the subjects of technology in anesthesiology and closed-loop fluid management and has given talks on the topic around the country.   He also serves as an oral board examiner for the American Board of Anesthesiology.

Maxime Cannesson, MD, PhD

Maxime CannessonDr. Cannesson is one of the founders of Sironis.  He is a practicing clinical anesthesiologist, holds a PhD in cardiovascular physiology, and now works at the University of California Irvine Medical Center in California.  He did his anesthesiology residency and cardiothoracic fellowship in Lyon, France, and did a year as a post-doctoral research fellow at the University of Pittsburgh Medical Center before returning to France to complete his PhD.

He is a world-recognized expert in hemodynamic management and is a consultant for Edwards Lifesciences, Masimo, Fresenius Kabi, ConMed, Covidien, and more.  With scores of peer-reviewed publications in the medical literature, he is a current manuscript reviewer for 14 journals focusing on critical care, medical engineering, and anesthesiology, and is a strong supporter of intelligent application of technology when he speaks at medical conferences around the world.

Ed Geehr, MD


Dr. Geehr is chief medical officer of Lifescript and head of the Company’s Medical Advisory Board. He served as Lifescript’s CEO from 2002-2004. Dr. Geehr is currently the President of Acute Care Partners, a healthcare consulting firm. He was most recently executive vice president of operations for Abraxis BioScience, a global biotechnology company specializing in innovative cancer therapies.

An innovator in health and wellness with more than 15 years of management and business development experience, Dr. Geehr was previously founding chairman and chief medical officer of IPC-The Hospitalist Company, a national medical services company. He was also a principal and founder of Metis, an interactive information technology company and a senior executive with UniHealth America.

A graduate of Yale University and Duke University Medical School, Dr. Geehr served as associate clinical professor of medicine and surgery at the University of California, San Francisco. He was a founder and founding president of the Wilderness Medical Society and co-editor of the medical textbook Management of Wilderness and Environmental Emergencies. In addition to Lifescript, Dr. Geehr currently serves on the board of NeoStem, Inc., an international biopharmaceutical company focused on the development of adult stem cell therapies.

John Kensey

John_KenseyJohn Kensey has been the CEO of several early stage companies including two in which he had a founder’s role. He also led and became the CEO of an LBO of an engineering/distribution company that was subsequently acquired by a large European public company. His prior experience includes a six-year period with McKinsey & Company, Inc.

In 1988 he established Avalon Capital to serve as a platform for his consulting activities and his personal investing in early stage companies. Since then consulting to and investing in early stage companies has been his primary activity. He currently has positions as an “angel investor” in over ten early stage companies and is active with most of these companies as either a board member or advisory board member.

John has a BSIE from Stanford University, a Master of Business Administration degree from Harvard Graduate School of Business and is a Ph.D. Candidate in Strategic Management at the Peter F. Drucker Graduate Management Center, Claremont Graduate School. He is also one of the founders of the Tech Coast Angels and remains active in that organization.

Jay Kunin, PhD

Jay_KuninDr. Kunin has focused on commercialization of medical and pharmaceutical information technology since his work as a graduate research assistant in the Laboratory of Computer Science at Massachusetts General Hospital, where he worked on the original COSTAR electronic medical record system.

He was most recently President of BenSoft, Inc., a SaaS firm in Consumer-Directed Healthcare, which was acquired by a public company in 2008. He co-founded and served as President of RxSys International, a producer of electronic products for the pharmaceutical industry, which he led through an IPO in 1988. He was a principal of Securities Industry Software Corp., where he served as VP of International Business when the company was acquired by Citicorp. He was later Director of I.T. at Scios, Inc., a public biopharmaceutical company now owned by J&J. He has also been an executive of several startup software companies in the financial and Internet industries, and CIO for three firms in the biotech and clinical trials business.

He is a member of the Board of Directors of the Tech Coast Angels, where he heads the BioMed Track. He has served on the Boards of Directors of numerous privately-funded entrepreneurial firms in the software, tissue engineering, genomics, and health I.T. industries, and is also a founding Board Member of the Life Sciences I.T. Global Institute.

He has served as a senior consultant to the International Centre for Entrepreneurship in Auckland and Incubators New Zealand (NZ Ministry of Economic Development), where he has lectured on early-stage capital formation and angel investing, and has been a Visiting Fellow with the Australian Institute for Commericalisation. He has also served as a grant evaluator and advisor for the Von Liebig Center at the UCSD Jacobs School of Engineering.

As a consultant in strategic technology management and commercialization, he focuses on medical, pharmaceutical, and medical device Information Technology. He was a co-developer of “business process re-engineering” and started his consulting career as a practice manager with Hammer & Co., Inc., a BPR and technology strategy firm, where clients included health-care, technology, financial and manufacturing companies in the US, Europe and Latin America.

Dr. Kunin is a faculty member in the Graduate Business Program at San Diego State University, where he teaches “Strategic Management of Technology and Innovation.” He has also taught “IT Management in FDA-Regulated Industries” at UCSD Extension.