Micah Nessan

General Counsel

Micah Nessan currently serves as General Counsel at Celtra since September 2025 and is a Founding Member of TechGC, an exclusive community for General Counsels that fosters knowledge-sharing and support. Previously, Micah held the position of SVP and General Counsel at Guideline from August 2022 to July 2025, providing strategic legal advice in the media planning and marketing intelligence SaaS sector. From September 2014 to July 2022, Micah was General Counsel and Corporate Secretary at Integral Ad Science, overseeing legal and compliance initiatives throughout significant company transitions, including an IPO. Earlier experience includes roles as Assistant Corporate Counsel at Piksel Inc., Associate at Sadis & Goldberg LLP, and Associate at Jones Day, with a focus on corporate transactional practices and securities regulations. Micah's legal career began with a Federal Judicial Externship and various summer associate positions. Educational qualifications include a JD from Tulane University Law School and a BA in Philosophy from Hobart and William Smith Colleges.

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