Gemstone Biotherapeutics was founded in Baltimore, MD in 2013, with an IP portolio exclusively licensed from The Johns Hopkins University. We are focused on commercializing our Extracellular Matrix Replacement (EMR) technology that yields robust skin regeneration in preclinical studies. Our management team has the expertise and passion to drive commercialization and build a strong pipeline of dermatology products.


We collaborate with world class researchers at the Johns Hopkins University and the University of Pennsylvania. Our pipeline of assets with rapid commercialization potential has the potential to yield multiple high-value products.

Our Team

Emily English

Emily English, Ph.D.

Chief Executive Officer

Dr. English is a seasoned leader with 10+ years’ technical and entrepreneurial management experience. Since being recruited to Gemstone Bio, she has aligned the company’s strategy to focus on a lead product in the dermatology space that can deliver significant clinical impact and value creation. She has built a multi-disciplinary team with experts in commercialization strategy, regulatory affairs, and clinical and preclinical research. Prior to joining Gemstone Bio, Dr. English was a Program Manager at the Johns Hopkins University Applied Physics Laboratory, where she oversaw a portfolio of developmental and operational programs serving US government sponsors. She holds PhD and BS degrees in chemistry from the University of Wisconsin – Madison and the University of Maryland – College Park.

Heather Keith

Heather Keith

Director of Sales & Marketing

Ms. Keith has over 20 years of medical device product development, marketing, and sales experience.  She was CEO and founder of Strohl Medical Technologies, a company focused on commercializing a medical device for stroke detection in emergency rooms. She was the Director of Sales and Marketing at TEI Biosciences, Inc., where she launched the Surgimend product line, and Soluble Systems, LLC. Her expertise is in crafting and executing market launch strategy and driving sales growth for medical device companies.

Eric Clarke

Eric Clarke

Chief Financial Officer

Mr. Clarke is a Vice President in the Evergreen Advisors’ CFO Advisory Practice. He has a strong background in CFO Advisory and holds a record of sound financial guidance in complex business and regulatory settings. He has over 20 years of accounting experience working in both public and private accounting for companies in the healthcare, technology, and business services sectors.

Matt Davenport

Matt Davenport

Director of Engineering

Mr. Davenport graduated from The Johns Hopkins University with a BS/MSE in Chemical and Biomolecular Engineering. At Johns Hopkins, Matt worked in the lab of Dr. Sharon Gerecht and was a key researcher in the development of Gemstone’s core technology. He brings a vast background in material science, bioengineering, and downstream processing to Gemstone. His past research experiences include Myriant Technologies and the European Molecular Biology Laboratories (EMBL).


Sharon Gerecht, Ph.D.

Johns Hopkins University

Professor of Chemical & Biomolecular Engineering and Materials Science at the Whiting School of Engineering.  Director of the Institute for NanoBio Technology (INBT).

Jeremy Walston, MD

Johns Hopkins Bayview Medical Center

Raymond and Anna Lublin Professor of Geriatric Medicine at JHMI; Co-Director of the Biology of Healthy Aging Program in the Division of Geriatric Medicine and Gerontology.

Peter Abadir, MD

Johns Hopkins Bayview Medical Center

Assistant Professor of Geriatric Medicine and Gerontology at JHMI.

Scientific Advisory Board

Susan Volk, Ph.D., V.M.D.

University of Pennsylvania

Associate Professor of Small Animal Surgery, School of Veterinary Medicine, University of Pennsylvania.

Ronald Sherman, D.P.M., MBA

The Johns Hopkins Hospital

Podiatric Surgeon in the Dept of Surgery: Division of Vascular Surgery at Johns Hopkins Hospital.  Member of the Multidisciplinary Diabetic Foot & Wound Clinic.

Marc Dauer, MD

Dauer Hair Restoration

Medical Director of Dauer Hair Restoration.

David Abramson, MD

Englewood Hospital, Mt. Sinai School of Medicine

Chief of Plastic Surgery at Englewood Hospital.  Associate Clinical Professor of Surgery at Mt. Sinai School of Medicine.

Board of Directors

David Oros

Gamma 3

Founding Partner of Gamma 3 LLC.  Chairman of Gemstone and Terbium Labs.  Former Chairman and CEO of Aether Systems, Inc.


Emily English

Gemstone Bio

CEO of Gemstone Biotherapeutics

Xin Huang, MD, Ph.D.

Cowin Venture Capital

Managing Partner at Cowin Venture and leader of the firm’s healthcare sector.

Our Collaborators

Polysciences Inc
Abel Communications
Fast Forward
Polymer Solutions

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