David S. Joseph

Co-Founder, President & Chief Executive Officer and Chairman

Mr. Joseph is a Co-Founder of Avisa Pharma with forty years of healthcare and life science management; co-founder and CEO of five companies in medical technology, biomaterials and biopharmaceuticals. Mr. Joseph served as Chairman and CEO of Othera Pharmaceuticals and co-founder and of Orthovita Inc, a company he also  where he also served as President and CEO. Stryker Corporation acquired Orthovita in 2012. Prior to Orthovita, Mr. Joseph co-founded two medical device companies: Surgical Laser Technologies, Inc., which became public in 1989 and SITE Microsurgical Systems, which was acquired by Johnson & Johnson Corporation in 1983. He also has over 15 years of executive healthcare management experience. Mr. Joseph received the Greater Philadelphia Venture Group’s Raymond Rafferty Entrepreneurial Excellence Award in May 2005 for having founded four successful venture-backed companies and for his influence on the ophthalmic and medical technology industries.

His past and present board appointments include Animas Corporation, a diabetes insulin pump technology acquired by Johnson & Johnson in 2006; Aspire Bariatics Inc., an obesity technology company; Seamless Medical Systems, a patient engagement and media company. HTH Worldwide, a privately held internet travel health insurance and information company; Morphotek Inc., a privately held biotechnology company acquired by Eisai Pharmaceuticals in 2007; TLC Vision, a leader in Lasik surgery centers; Managed Healthcare Services, Inc.; The Jackson Laboratory Board of Governing Trustees; and King’s College Board of Directors.

Graham S. Timmins, Ph.D.

Chief Science Advisor

Dr. Timmins is an Associate Professor of Medicinal Chemistry, College of Pharmacy, at the University of New Mexico. Dr. Timmins is the co-inventor of the Company’s patent portfolio. He received his Doctorate from the University of Leeds, UK in 1990 in drug design and did his post-doctoral work in free radical chemistry from 1991 to 1997 at the University of York, UK.  Dr. Timmins was a Research Assistant Professor at the Dartmouth Medical School in New Hampshire from 1997 to 1999 and also served two years, 1999 to 2001 in the Medical Microbiology Department at the Medical School at the University of Cardiff, UK.  He joined the faculty of the University of New Mexico in 2001. He has authored or co-authored over 50 publications, been awarded five patents with many pending, and is a recipient of several federal grants during his current tenure at the University of New Mexico.

Elizabeth A. Perkett, M.D.

Chief Medical Officer

Prior to joining Avisa, Dr. Perkett was Professor of Pediatrics, with a Pulmonary Medicine sub-specialty at Vanderbilt University. She received her medical degree from the University of Michigan in 1971. Dr. Perkett completed her Internship and Pediatric Residency, at the University of Oregon, Portland, OR in 1974 and a fellowship in Neonatal-Perinatal Medicine, Vanderbilt School of Medicine, Nashville, TN, 1974 to 1979. From 1979 to 2011 she held academic and clinical appointments at the University of Minnesota, University of New Mexico and the Vanderbilt University. Dr. Perkett is board certified in Pediatrics, Neonatal-Perinatal Medicine and Pediatric Pulmonology and has authored or co-authored over 50 recent publications.

David Karshmer

Senior Vice President, Product Development

Mr. Karshmer is a biomedical engineer and designer with over twenty years of experience in the development of innovative products and services for the healthcare markets. He has worked on products ranging from pediatric infusion pumps to bioreactors for cell line growth. Mr. Karshmer brings a deep interest in user-centered design and innovative technology to his work. He founded the IDEO Healthcare practice and has developed medical devices, products, and services for leading diversified healthcare companies including Advanced Cardiovascular Systems, Medtronic, Therox, Advanced Tissue Sciences, 3M Healthcare, Inhale, Eli Lilly, IVAC, Abbott Laboratories, Baxter Healthcare, Heartstream, Pfizer, Nellcor, Cerus and GlaxoWellcome. His work has produced numerous patents and design awards in fields ranging from insulin delivery to integrated cardiovascular health management. Mr. Karshmer holds degrees from University College London, and the University of California at San Diego.

John Maynard

Vice President, Product Management

Prior to joining Avisa in 2014, John was co-founder and Vice President of Technology of VeraLight Inc. in Albuquerque, NM from 2005 to 2013.  VeraLight developed point-of-care, noninvasive, optical measurement instruments to quickly detect undiagnosed pre-diabetes and diabetes.  Prior to his executive roles at VeraLight, John was co-founder of InLight Solutions Inc., also in Albuquerque from 1993 to 2005, which developed novel optical measurement solutions for life science application.  He received his Master of Science in Electrical Engineering from Stanford University in 1987 and a Bachelor of Science in Electrical Engineering, Stanford University, 1986.

Matt Culler

Vice President, Finance

Prior to joining Avisa, Mr. Culler was Vice President, Finance & Operations at xF Technologies, a venture-backed renewable chemistry start-up. Before his work at xF Technologies, Mr. Culler was a Principal at Sun Mountain Capital, one of the largest venture capital firms headquartered in the Southwest. Prior to Sun Mountain Capital, Mr. Culler participated in financings totaling over $2 billion as a Senior Analyst in the Private Equity Placements Group of Bank of America’s investment banking business in New York City. Matt has a BBA in Finance with honors from the University of Texas at Austin.