social impact exchange team

Meet the Team

IMG_0947 Alex Rossides 2B

Alexander Rossides

Founder and President

Alexander brings extensive experience as a social entrepreneur, business executive and investor to Social Impact Exchange (SIE)…

Brigit Cann

Operations Coordinator

Brigit Cann is the Operations Coordinator at Social Impact Exchange (SIE). In 2021 she received a BA from Oberlin College, majoring in Politics and Environmental Studies…

Nate Harding

Senior Manager

Nate Harding is a Senior Manager at Social Impact Exchange (SIE) . His life is guided by the following question…

Monika Kincheloe​

Vice President, Education

Monika Kincheloe is Vice President, Education at Social Impact Exchange (SIE)…

Margaret Linehan

Finance and Operations Manager

Margaret Linehan is the Finance and Operations Manager for Social Impact Exchange (SIE)… 

David Persky

Manager of Health Initiatives

David Persky is the Manager of Health Initiatives at Social Impact Exchange (SIE). He is also currently pursuing a Master of Science in Organization…

Anne Sherman

Vice President, Nonprofit Strategy

Anne Sherman is Vice President, Nonprofit Strategy at Social Impact Exchange (SIE). Before SIE, she was Director…

Social Impact Exchange Board 2019

  • Rob Densen, Founder & CEO – Tiller, LLC
  • Paul Gilbert, Co-Founder & Former CEO – MedAvante
  • Antoinette La Belle, Senior Advisor and Former Managing Director & COO – Just Capital
  • Christopher Langston, Chief Executive OfficerArchstone Foundation
  • Banny Banerjee, Director and Founder Stanford Change Labs
  • Keisha Senter, Founder The Solution Senter
  • Alexander Rossides, Founder & PresidentGrowth Philanthropy Network