Our Staff

Ramin H. Farsad, M.D,

Ramin H. Farsad, M.D, is co-founder of DIAGNAMICS. He is an experienced principal investigator and has conducted a list of Phase II- IV trials in each of the following areas:

  • Cardiology
  • Endocrinology
  • ENT
  • Gastroenterology
  • Infectious Disease
  • Psychiatry
  • Pulmonary
  • Vascular

Dr. Farsad earned a Bachelor of Science degree in Psychobiology from the University of California, Los Angeles. He then continued his educational pursuits achieving both a Master of Arts in Medical Sciences, and a Doctorate of Medicine, from Boston University.

In his free time, Dr. Farsad enjoys being either outdoors or up in the air. He has a commercial pilot’s license and participates actively in aviation. He is a proud member of the Aerospace Medical Association and the Wilderness Medical Society.

Roberta Gorin, BA, CCRC

Roberta Gorin, BA, CCRC is co-founder and site director of DIAGNAMICS.

Ms. Gorin began her career in the area of clinical trials in 1999, initially working with the development of novel dermatologic therapies. Later, her experiences expanded to many other areas of clinical research including:

  • Allergy
  • Cardiovascular
  • Endocrinology
  • Gastroenterology
  • Infectious Disease
  • Immunology
  • Psychiatry
  • Pulmonary
  • Rheumatology
  • Urology

Ms. Gorin has an Associate’s Degree in Nursing, a Bachelor of Arts in Human Development from California State University, San Marcos. She is also certified by both the Association of Clinical Research Professionals (ACRP) and the International Air Traffic Association (IATA). In addition, Ms. Gorin has extensive experience in budgetary negotiations, legal, regulatory, and IRB compliance.

Ariana Diaz-Rauda, BS, CRC

Ariana Diaz, BS, CRC joined Diagnamics in 2022 as a Clinical Research Coordinator. She began her career in clinical trials in March of 2021, initially working in Rheumatology. Ariana received a Bachelor of Science degree in Global Health and a minor in Psychology from the University of California, San Diego.

In her free time she enjoys traveling, cooking/baking, and exploring the outdoors.

Kalisha Hang, AAS, CRC

Kalisha Hang, AAS, CRC is beginning her clinical research journey with DIAGNAMICS as a Clinical Research Coordinator. Kalisha received her Medical Assistant education through UEI College. She started working as a Medical Assistant with Access Medical Centers in March of 2022. Kalisha has an Associate’s Degree in Arts & Sciences. She is currently attending the University of Wisconsin – Milwaukee. 

In her free time, Kalisha enjoys cooking and exploring Southern California. She also is an active volunteer with the USO on Camp Pendleton.

Tatum Chapman, BS, CRC

Tatum Chapman, BS, CRC is beginning her career in clinical trials as a Clinical Research Coordinator with DIAGNAMICS. Tatum received her Bachelor of Science degree in Public Health from the University of Alabama. In her free time, Tatum enjoys reading, practicing yoga, traveling, and gardening.