Supporting integrity in the legal cannabis industry.

Galen Diligence is a small team of expert researchers and investigators dedicated to supporting high-integrity operators, investors and their advisers in the legal cannabis industry. We are woman-owned and headquartered in Cambridge, Massachusetts. Contact us to learn more.


Tanya Hoke | Managing Director

Tanya has a decade of experience managing investigative due diligence for clients in a range of industries, including pharmaceuticals, manufacturing, financial services, and consulting. 

She has led hundreds of due diligence investigations into management teams, helping clients to identify business, legal, and reputational risks prior to proceeding with high-value investments. Prior to founding Belem Group and Galen Diligence, she was a Senior Consultant in Corporate Investigations at Control Risks Group.

Tanya is a Certified Fraud Examiner, a Certified Anti-Money Laundering Specialist, and a licensed Private Investigator in the Commonwealth of Massachusetts. She received a Bachelor of Arts degree from Swarthmore College and a Master of International Business degree from the Fletcher School at Tufts University. She speaks about due diligence, risk management, and integrity at industry events such as Marijuana Business Conference and Cannabis World Congress.


Transparency: We believe in being clear about how we work so that you only pay for expertise, not for mystery.

Integrity: We do what we say we will and deliver on time, all while sticking to strict ethical and legal guidelines.

Confidentiality: We take your trust seriously.

Photo by RinoCdZ/iStock / Getty Images

National Library of Medicine

National Library of Medicine

Why Galen?

Galen of Pergamum was a prominent physician and philosopher during the Roman Empire. One of the most accomplished researchers of his time, he made significant contributions to our early understanding of pharmacology, anatomy, and neurology. 

Galen Diligence incorporates this ambitious commitment to research in our work as advisors in an emerging industry.