Management Team

Kathryn Petrucci, DVM
Founder and CEO

Dr. Kathryn Petrucci brings together a scientific, business, and international background to ACT. Prior to becoming a veterinarian, she worked at the United Nations Industrial Development Organization in Vienna, Austria, and then as an investment executive at Dean Witter and Piper Jaffray while studying in an MBA program for one year.  She then attended veterinary school, graduating in 2003 from the University of Minnesota College of Veterinary Medicine with a DVM degree.  She spent five years in private practice at a progressive small animal practice in San Francisco, developing skills in internal medicine, ultrasound, surgery, endoscopy, dentistry, and oncology. She also took several courses in advanced veterinary dentistry. Prior to her present appointment, Dr. Petrucci worked in the human stem cell field, working primarily with mesenchymal stem cells. At ACT, she has been involved in all aspects of the business, including setting up the corporate structure, building the laboratory, hiring skilled staff,  initiating collaborations, designing protocol and study designs, developing intellectual property, and writing INAD’s,  patents, contracts, business plans and presentations.


Gene Yeh, PhD
Director of Research 

Gene has more than 20 years of experience in academic research and industry drug development.   Gene’s in-depth knowledge stretches across multiple disciplines including glycobiology, biochemistry, molecular biology, and cell biology.  Previously, Gene was a senior research scientist at La Jolla Bioengineering Institute (LJBI), where he led multiple NIH-funded research projects.  Prior to joining LJBI, Gene was a group leader of the Molecular Biology department at Genset Corp., where he designed and implemented strategies to elucidate the regulatory mechanisms of Genset’s lead protein for type II diabetes, Famoxin (also known as Adiponectin). Gene’s other biotech experience includes a senior research scientist position at Corvas International, where he was involved in discovery and molecular cloning of several novel serine protease genes potentially involved in tumor development.  Gene conducted his postdoctoral research at Burnham Institute, La Jolla, CA, and received his PhD in Biochemistry and Molecular Biology from University of Oklahoma Health Sciences Center. Many of his works led to publications in peer-reviewed journals as well as United State patents.


Mariana Lopez, MD
Quality Control 

Mariana Lopez-Velazquez graduated in Mexico City as a general physician from UNAM (Universidad Nacional Autonoma de Mexico). In 2001, Mariana worked in a Blood Bank as a supervisor where she monitored patients, conducted donor selection, processed blood, and oversaw quality control of blood units in Angeles Hospital in Mexico City for six years. Mariana also worked in the laboratory processing tissue and growing stem cells, learning advanced culture and cryopreservation techniques. In 2009, Mariana started working in Animal Cell Therapies, Inc. as a laboratory researcher and Quality Control Manager.  Mariana has extensive experience in quality control, developing standard operating procedures, tissue processing, cell culture, media preparation, equipment monitoring and maintenance, documentation and tracking, and pathogen screening.