History of DBS

History of DBS

Diagnostic BioSystems was founded by Dr. Bipin Gupta with a vision of providing high quality innovative anatomic pathology reagents to improve the practice of pathology.

Diagnostic BioSystems relocated to its current headquarters in Pleasanton to manage growing operations.

Diagnostic BioSystems became ISO 9001:2008 certified to sell CE marked medical devices to the European market.

Diagnostic BioSystems became FDA certified cGMP compliant facility and began selling IVD labeled products into the clinical market. 

Diagnostic BioSystems launched their first automated IHC multiplex platform for anatomic pathology.

Diagnostic BioSystems launches over 20 new rabbit monoclonal antibodies.

Diagnostic BioSystems moved into the current location – almost four times the size of the previous facility. Diagnostic BioSystems raises capital to support continued growth.

Since 1994, Diagnostic BioSystems Inc. is committed to enhancing immunohistochemistry results by providing innovative anatomic pathology reagents and systems to improve the practice of pathology. Since the inception, our prime focus has been to provide high quality products and exceptional customer service and support.

Diagnostic BioSystems provides cutting-edge in-vitro diagnostics to the anatomic pathology and histology market through direct sales in the domestic market and through international distributors to over 60 countries worldwide. Our product portfolio includes high quality primary and FITC antibodies, autostainer, chromogens, detection kits and a wide range of ancillaries.

Diagnostic BioSystems is an ISO 9001:2008 certified cGMP compliant, medical device manufacturer

Diagnostic BioSystems is always on the lookout for qualified, talented and outstanding candidates for employment in the following departments:

  • Manufacturing
  • Research & Development
  • Sales & Marketing
  • Shipping & Receiving
  • Administrative

Please send your resume along with a brief purpose statement to careers@dbiosys.com and indicate your department of interest in the subject line of your e-mail.

Current Job Postings

Thank you for your interest in Diagnostic BioSystems. Diagnostic BioSystems is an equal opportunity employer. All qualified applicants will receive consideration without discrimination because of sex, marital status, race, age, creed, national origin or the presence of disabilities.

There are no open positions at this time.

Dr. Bipin Gupta, PhD | Founder, CEO & CSO
Dr. Gupta founded DBS in 1994. He completed his post-doctoral studies at Stanford Medical School and worked as a scientist in the field of IHC. Dr. Gupta has numerous publications in the area of IHC.

Gerald Weiss M.D.,F.C.A.P | Medical Director
Dr. Weiss is a Board Certified Pathologist (Anatomic and Clinical Pathology) with a special interest in immunohistochemistry. He has founded and directed a number of CLIA Laboratories. He is currently Director of Laboratories at Regional Medical Center of San Jose and Bioreference Laboratories in Campbell California. He serves on the Board of Directors of the California Society of Pathologists.

Marc Key, PhD | Chief Scientific Advisor
Marc Key, has over 25 years of experience in research and product development. Dr. Key has held senior positions with companies such as Dako and BioGenex Corporation. He has been responsible for R & D teams launching hundreds of products into the pathology market and holds some of the most significant patents in the field of Immunohistochemistry testing. Dr. Key holds a BS from Iowa State University, an MS from the University of Montana and a PhD from the Medical University of South Carolina.

Pathanjaly Hariharan | Head of Global Sales and Marketing
Pathanjaly Hariharan (Hari) joined the growing DBS team in 2017 to strengthen its executive management. Pathanjaly comes with over 20 years of sales experience in clinical diagnostics with extensive knowledge of the IHC market within the United States and internationally. Prior to joining DBS, he was the International Sales Manager for Biocare Medical and was responsible for launching and expanding the international market.