Loading Events
Greg Mayes
Greg Mayes

« All Events

  • This event has passed.

November 12, 2020 @ 9:30 am - 10:30 am PST


Why I Founded and How I Sold A Startup For $270M in Two Years

Book Now For Free


Founders Network
View Organizer Website
Greg Mayes, founder of EngageTherapeutics, walks you through the key ingredients in founding, building and selling a pharmaceutical startup.

Complimentary Ticket:

Are you a full-time tech founder? Be our guest! During COVID, we’re making our events available to tech founders everywhere. Enjoy a complimentary ticket to come learn from fellow tech founders, partners and investors. Already used your complimentary guest pass? Request an invite to see if you qualify for membership.



For Greg Mayes, founder of Engage Therapeutics, the startup journey was personal. At a Founders Network seminar, Greg walks through the key ingredients in founding, building and selling a pharmaceutical startup with the potential to help millions of epilepsy patients.

Register at Founders Network for Greg’s insights on:

  • Seeing an Unmet Need
  • Securing Great Partners
  • Focusing on the Mission
  • Getting the Timing Right
  • Staying Personally Involved



Greg Mayes

After successfully initiating and leading a $23M Series A investment round that included lead blue-chip investors TPG Biotech, Adage Capital and Lumira Ventures in Q4 2017 (total raised was $40M including 2019 follow-on financing with 100% of existing investor participation), launched late stage development company centered on an on-demand product known as Staccato Alprazolam which upon approval would be the first and only acute treatment for patients that can terminate an active seizure.

Completed trial enrollment in pivotal, large, randomized Phase 2b study in December 2019 that was conducted in the U.S. and Australia and reported positive study outcome in March 2020. Sold company to UCB on June 5, 2020 in a deal valued at $270m ($125m up front) and a potential 5x return for investors based on near term clinical and regulatory milestones.

Prior to founding Engage Therapeutics, Greg played an integral role in the growth of Advaxis Immunotherapies (ADXS), a Princeton, N.J., based biotech company developing immuno-oncology therapies for patients with hard-to-treat cancers through its bacterial vector system, Lm Technology™. As its chief operating officer, he was instrumental in helping to secure more than $200 million in funding and in identifying and negotiating partnerships with companies such as Amgen, AstraZeneca and Merck & Co., Inc.

From 2004 to 2010, Mr. Mayes served as Vice President, General Counsel, and Chief Compliance Officer at ImClone Systems Corporation. During his tenure at ImClone, Mayes supported the clinical development and commercialization of ERBITUX® and contributed significantly to activities that resulted in Eli Lilly’s $6.5 billion dollar acquisition of ImClone in 2008. In 2009 he led integration activities associated with the Eli Lilly merger.


About Founders Network:

Founded in 2011, Founders Network offers lifelong peer mentorship to over 600 tech startup founders globally. Our platform, programs and high-touch service facilitate authentic experience sharing, warm introductions and long-term professional relationships. Additional benefits include over $500k in startup discounts and promotion to 2,000 newsletter readers. Members are located in San Francisco, New York City, Los Angeles, Vancouver, Toronto, London and other tech hubs. Each month our Membership Committee admits a new cohort of full-time tech founders who are nominated by an existing member. Learn more at https://foundersnetwork.com


Confidentiality Policy

All information shared within Founders Network is strictly confidential. We are built on a foundation of trust, and the community takes confidentiality seriously. Investors, members, and staff all share experiences and opinions off the record.  In this roundtable forum, we continue to model our fnValues of Reciprocity, Humility, Authenticity and Inclusivity.


Founders Network
View Organizer Website


If you don't have a cohort group in something like Founders Network that you can develop long-term relationships with and discuss the same topics that come up with people that you already know, you're probably missing out on something very important.

David Plonsky

The number one advantage is the law of compound interest. The longer you stay in a very high-quality network the strong and more authentic relationships you build.

Chaitanya Vaidya

We know each other's business and we know each other's struggles. Having a personal relationship with other founders that is completely confidential and completely authentic gives you a lot of great advice.

Doug Lessing

FN manages my network for me by connecting me with other founders in my specific industry sector. I've been able to explore business development opportunities, partnerships, etc.

Becky Splitt

We just saw the first Mexican unicorn come to life this same week which is a fantastic idea. Being part of the Founders Network makes a lot of sense. We see that the Mexico City chapter is growing substantially.

Max Linares

There's a lot of great stuff going on even now in San Francisco. I've found Founders Network has been a great resource for me and for all of the founders I know during these tough times.

Jarie Bolander

It allowed me to meet people who had done this before that had the experience. I was able to explain an issue very briefly and they were able to give me a very detailed response on how they addressed it.

Terence Finn

I've used the platform to discover advice, connections, resources, discounts, on important services, connections to investors, and practice on how to pitch. The kind of conversations you can't get anywhere else on youtube or google searches.

Alexandra Greenhill

I see Founders Network as one of those necessary resources in the Chicagoland area.

Jason Jacobsohn

The Black Founders initiative allows me to shape this program where we can inspire, engage, and support Black Founders.

Khiry Kemp