Erasca Further Bolsters Leadership Team with Appointments of Wei Lin, M.D., as Chief Medical Officer and David Chacko, M.D., as Chief Financial Officer

January 07, 2021

Dr. Lin, previously senior vice president and head of development at Nektar Therapeutics, will advance the company’s growing portfolio of clinical programs

Dr. Chacko, previously chief business officer at Erasca, will lead the company’s finance activities and continue to oversee corporate and business development efforts


SAN DIEGO, January 7, 2021 – Erasca, a company whose mission is to erase cancer, announced that Wei Lin, M.D., has joined as chief medical officer. David Chacko, M.D., previously Erasca’s chief business officer, has been appointed as chief financial officer, assuming the role from Gary Yeung, who has departed from the company to pursue other opportunities.

“Attracting top talent like Wei to Erasca positions the company to aggressively pursue clinical development of our burgeoning pipeline so we can bring new therapeutics that aim to erase cancer for the many patients who await better treatment options,” said Jonathan E. Lim, M.D., Erasca’s chairman, CEO and co-founder. “In the past year, we have significantly advanced our pipeline, including having multiple programs that are now in the clinic. We are grateful that Wei has joined us at this critical juncture to help accelerate our clinical development activities for the potential benefit of patients. He is an exceptional clinician and strategic thinker with deep expertise in oncology drug development.”

Dr. Lim further added, “On behalf of the entire company, I would like to thank Gary for his invaluable contributions to Erasca over the past two years, and we wish him all the best in his future endeavors. David’s broad experience as a management consultant, investor and operator will continue to contribute greatly to Erasca’s growth as a leading precision oncology company.”

About Wei Lin, M.D.

Dr. Lin joins Erasca from Nektar Therapeutics, where he was senior vice president and head of development as well as a member of the executive committee. He was responsible for all development functions and the clinical development of Nektar’s pipeline, including advancing bempegaldesleukin into multiple registrational trials and achieving FDA breakthrough therapy designation in metastatic melanoma. Prior to Nektar, Dr. Lin held roles of increasing responsibility at Roche/Genentech, most recently as the global development lead in cancer immunotherapy for lung cancer and head and neck cancer. Under his leadership, his team completed five positive Phase III trials and achieved three US and EU regulatory approvals for Tecentriq®, including the first advancement in first-line small cell lung cancer in three decades. He was also the site head for oncology product development for Roche China, where his team achieved multiple additional regulatory approvals for Avastin®, Zelboraf® and Tarceva®. He is a past recipient of the ASCO Young Investigator Award and the AACR-AstraZeneca Translational Lung Cancer Award. He was on faculty at MD Anderson Cancer Center, where he completed his medical oncology fellowship. He completed his internal medicine residency at Massachusetts General Hospital and received his M.D. from Harvard Medical School and his B.A. in physics from Haverford College.

About David Chacko, M.D.

Prior to joining Erasca, Dr. Chacko was a principal at Versant Ventures, where he held a dual investing/operating role, helping lead investment opportunities across multiple therapeutic areas. Operationally, he was intimately involved in advancing several Versant portfolio companies through company formation, fundraising, business development, and clinical and regulatory activities. Dr. Chacko joined Versant from Alcon, where, as chief of staff to the CEO, he worked alongside the executive leadership team to develop and implement high priority corporate initiatives to accelerate growth and innovation. Prior to Alcon, Dr. Chacko was an engagement manager at McKinsey, leading multiple teams serving pharmaceutical and medical device clients. Dr. Chacko received M.D. and MBA degrees concurrently from the University of Pennsylvania School of Medicine/Wharton School. Prior to that, he earned an MPhil from Oxford University, where he was a Marshall Scholar.

About Erasca

At Erasca, our mission is embedded in our name: To erase cancer. Energized by recent scientific discoveries in drugging various biological drivers of cancer, we are advancing multiple programs that shut down key cancer pathways to solve oncology’s hardest problems. We have assembled a proven team and joined forces with world-class collaborators who embrace our ambitious goals. We also are pursuing additional pipeline expansion opportunities through academic and biopharmaceutical collaborations. Founded in 2018 and headquartered in San Diego, Erasca has raised $300 million in financing from investors who share the company’s bold mission, including ARCH Venture Partners, City Hill Ventures and Cormorant Asset Management. For more information, please visit

Erasca is a trademark of Erasca, Inc.


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Heidi Chokeir, Ph.D.
Managing Director
Canale Communications

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