Adam Ellison

Chief of Staff at Greenboard

Overview

Adam Ellison serves as Chief of Staff at Greenboard as of January 2026[1][2]. Ellison previously co-founded and partnered at Shanrock Partners from June 2021 to September 2025[4]. Earlier experience includes roles at Plenty, where Ellison worked in product and program management from May 2019 to June 2021[5] and as an Associate in the Office of the CEO from June 2017 to April 2019[6]. Ellison also held positions in business development at SeatGeek from May 2016 to May 2017[7] and worked as a consultant at Hyfé from October 2025 to March 2026[3]. Ellison holds a Bachelor of Arts from Amherst College[8] and studied Economics at the London School of Economics and Political Science[10], with prior secondary education at Deerfield Academy[9].

Career history

  1. Chief of StaffJan 2026 to presentGreenboard
  2. ConsultantOct 2025 to Mar 2026Hyfé
  3. Co-Founder & PartnerJun 2021 to Sep 2025Shanrock Partners
  4. Product and Program ManagementMay 2019 to Jun 2021Plenty
  5. Associate, Office of the CEOJun 2017 to Apr 2019Plenty
  6. Business DevelopmentMay 2016 to May 2017SeatGeek

Education

  1. Bachelor of Arts - BAAmherst College
  2. Deerfield Academy

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