Previvo Team

Moses Cesario

Moses Cesario, MS - Chief Executive Officer

As CEO of Previvo, Moses’ vision is to bring clinical tools to physicians that will accelerate the adoption and use of new technology to provide new choices in fertility: “I’m proud to be part of the company that is ushering in new assisted reproduction choices for families; with Previvo’s capabilities in hand, Previvo Uterine Lavage is a feasible option for all reproductively active families to achieve their dream of having children”.


Moses' career focus is product development in life sciences in which he has over 20 years of experience in genetic diagnostics, biotechnology and healthcare delivery systems. He has successfully managed acquisition exits for start-up organizations resulting in positive outcomes for investors. 


Moses’ experience in executive roles span several leading organizations, including COO of Neomorphic Software (bioinformatics), President of Ramsell Information Technologies, LLC (pharmacy benefits management) and VP and CIO of Affymetrix, Inc. (microarray technology and genomics analysis).


Mr. Cesario holds degrees from the University of California at Berkeley (B.A.) and Golden Gate University (M.S.).  Most recently, he completed the Stanford Executive Program at Stanford University.

Todd Johnson

Todd G. Johnson, MBA, JD - Chief Operating Officer & General Counsel

Todd brings industry and executive leadership experience to his roles at Previvo. Todd's industry experience includes start-up and publicly traded medical device (Abbott Labs and Ventana) and medical service (LabCorp, LABS, Biocept) companies. As an accomplished commercial and operational leader, Todd most recently served as CEO of LABS, a medical service laboratory, which was acquired by Eurofins. 


Besides his role as CEO, Todd held roles as Chief Commercial Officer, Sales Officer, Vice-President of Commercial Operations, and Director of Marketing. Todd has lead teams with over 160 personnel and revenue exceeding $500 million. Additionally, Todd has served as board director for several medical companies.  Prior to Todd's corporate positions, he served as a pilot and intelligence officer in the United States Army. 


Todd received a Bachelor of Science (BS) degree from the United States Military Academy (West Point), a Master's degree in Business Administration (MBA) from Webster University, and a Juris Doctor (JD) degree from Denver University-Sturm College of Law with an American Bar Association certificate in Corporate & Commercial law.  Todd is a attorney licensed to practice law in Colorado and is registered in-house counsel in California.

Bryan Wilson, MBA - Senior Vice President Finance & Human Resources

For over 30 years, Bryan has been directly working to optimize financial teams and operations for both public and private companies. In 2013, prior to joining Previvo Genetics, he founded Total Treasury & Tax, LLC, a consulting firm that specializes in building “best-in-class” financial infrastructure for small to mid-sized companies.


Bryan has also worked as Vice President and Corporate Treasurer for Wind River, Inc. (now an INTEL company), and Grass Valley LLC (now a BELDON company). Throughout his career, Bryan has worked in progressively responsible positions at E*Trade, American Express, and The Federal Reserve Bank. 


Bryan has a BS degree from the University of Phoenix and an MBA from Westminster College, both in Salt Lake City, Utah.

Gheda Sahyun, MA - Vice President Clinical Affairs

Gheda brings to Previvo more than two decades of experience in Clinical and Medical Affairs in addition to Clinical Operations for both multi-national publicly traded corporations and venture-backed start-ups. 


Gheda has led clinical programs which introduced global coronary and peripheral platforms in the U.S., European and Japanese markets for companies including Boston Scientific Corporation and Shockwave Medical Incorporated. During her time with Boston Scientific, she was influential in the clinical efforts leading to the launch of the Taxus Express paclitaxel-eluting coronary stent system in Japan. Ms. Sahyun has also held management positions including Sr. Director of Clinical and Medical Affairs for EndoGastric Solutions and Director of Clinical Affairs for iScience Corporation. She started her career at Quintiles Corporation, a global CRO.


Gheda received a Bachelor of Science (BS) in Biological Sciences and Master of Arts (MA) in Biochemistry from San Jose State University.

Bruce Addis

Senior Director of Research & Development

Jeff Lee 

Director of Manufacturing and Engineering

Kajal Choudhary
Director of Science 

Kevin Yee 

Senior Quality Engineer

Carolyn Jones 

Quality Assurance Specialist

Alex Nadal 

Clinical Project Manager

Adam Griese 

Biomedical Engineer

Amélie Mazoyer

Marketing Coordinator

David Mirisciotta 

Senior Accountant & Financial Analyst

Let us know if you would like to join the Previvo Team!