Ilan was a founding partner of Gunderson Dettmer's San Diego and Los Angeles offices, where he practiced corporate and securities law from 2006 to 2024. He retired from the Firm and is now Partner Emeritus.

Ilan represented a variety of private and public life sciences and technology companies on a wide range of general corporate and transactional matters, including venture capital financings, public offerings, and mergers and acquisitions. He has extensive experience with private and public securities offerings, university licensing, and strategic collaborations. Ilan also assisted clients in meeting their financing needs through his extensive network of relationships with angel investors, venture capitalists, corporate partners, and investment bankers.

Prior to joining Gunderson Dettmer, Ilan practiced in Wilson Sonsini Goodrich & Rosati’s Palo Alto and San Diego offices.