California’s Innovative Pharmaceutical Engineering Companies: Industry Highlights

February 9, 2024

This article shines a light on startups in the Californian pharmaceutical industry that were founded in 2015 or later. These companies are innovating and pushing boundaries, seeking to bring about change and improvements in the pharmaceutical realm. From cancer immunotherapies to ophthalmologic products to regenerative medicine and beyond, these companies are transforming healthcare with their innovative approaches.

Based in various locations across California, these startups operate in various subsections within the pharmaceutical industry. These areas include clinical trials, therapeutics, biotechnology, health care, and more. By spotlighting the achievements, even in nascent stages, of these companies, we seek to highlight the innovative spirit driving the California based pharmaceutical industry forward.

Below, we list each company, their location and the niche they operate within the industry. Also, we provide a brief description of their work and contributions to the industry. Click on the company names to visit their websites and learn more about their innovative approaches and pioneering technologies.


Founded by , Oncotelic is based in Agoura Hills, California and operates in the Clinical Trials, Pharmaceutical and Therapeutics sectors. Oncotelic is a cancer immunotherapy company, developing a unique TGF-b antisense therapy. This ground-breaking treatment has already demonstrated its ability to break immune tolerance in mid-stage clinical trials for glioblastoma and pancreatic cancer.

Mimosa Therapeutics

Located in Alameda, California, Mimosa Therapeutics is a company founded by Amanda Feilding and James Keim. The company specializes in the brewer production of natural psychedelic therapeutics.

InSite Vision

Also based in Alameda, InSite Vision is a company committed to advancing new and superior ophthalmologic products for unmet eye care needs. Their DuraSite bioadhesive polymer core technology extends the duration of drug retention on the surface of the eye

MIIST Therapeutics

MIIST Therapeutics, founded by Dalton Signor, is a company developing a pulmonary drug delivery system and digital platform that enhance the science of inhaled drugs. Their main aim is to reduce the excessive number of deaths and sickness due to tobacco use.


Exelixis is the brainchild of Corey Goodman and Stelios Papadopoulos. The company is focused on discovering, developing, and commercializing therapies for the treatment of cancer and other serious diseases.

ReCyte Therapeutics

A subsidiary of BioTime, Inc. (NYSE Amex: BTX), ReCyte Therapeutics is in the pioneering stages of applying their proprietary ReCyte technology to blood and vascular aging.

Arriva Pharmaceuticals

Arriva Pharmaceuticals focuses on the development and commercialization of recombinant protease inhibitors for treating a wide range of human diseases.


Pepgen, founded by Chih-Ping Liu, is a company that develops and commercializes novel products for the prevention and treatment of autoimmune and viral disorders.

Landrich Group

Landrich Group, founded by Tina Landess, operates in the Biotechnology, Clinical Trials, Pharmaceutical, and Test and Measurement sectors.


Admecell creates, produces, and distributes ready-to-use solutions for therapeutic modeling and re-profiling in vitro.


AmXpress, is an Alameda, California based company operating in the biopharma, biotechnology and pharmaceutical industry.

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