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Our Team

Our team consists entirely of college student volunteers from California to Massachusetts. Connected by our passion for the Tree-Plenish mission, we are excited to build sustainable communities by leveraging the power of youth!

Trees and Mountains

Board of Advisors

Melissa Cowell
Director of National Youth Council
Project Green Schools
Logan Donahoo
Program Manager
Arbor Day Foundation
Neil Rhein
Founder & Executive Director
Keep Massachusetts Beautiful
Mike Smalligan
Forest Stewardship Coordinator
Michigan Department of Natural Resources
Jean-Paul Arsenault
Science Teacher
Portsmouth High School

Our Team

Lizzy Elsner

Lizzy Elsner

Co-Founder, Executive Director

A junior at the University of Vermont, Lizzy co-founded Tree-Plenish in order to encourage youth to advocate for sustainability in their local communities.

Sethu Odayappan

Sethu Odayappan

Co-Founder, Executive Director

A junior at Harvard College, Sethu is excited to leverage the power and passion of students to create meaningful environmental change.

Matt Katz

Director of Operations
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Director of Technology

Justin Miller

Caroline Sprenkle

Caroline Sprenkle

Director of Marketing

Sarayu Manikandan

Director of Mentorship
Forest Trees
Maddie Groothuis
Business Operations Lead
Michelle Goddard
Finance Lead
Riley Damore
Digital Design Lead
Phoebe Chandler
Digital Design Lead
Tina Vanslette
Partnerships Head
Cat Demassi
Public Relations Lead
Keerthana Sundar
Digital Content Lead
Paxton Howard
Data Engineering Head
Shreya Patel
Data Analytics Lead
Alex MacDonald
Digital Communications Lead
Sarayu Manikandan
Organizing Lead
MariCait Gillespe
Organizing Lead
Sarayu Manikandan
Organizing Lead
Forest Trees
Maddie Groothuis
Business Operations Lead
Michelle Goddard
Finance Lead
Riley Damore
Digital Design Lead
Phoebe Chandler
Digital Design Lead
Tina Vanslette
Partnerships Head
Cat Demassi
Public Relations Lead
Keerthana Sundar
Digital Content Lead
Paxton Howard
Data Engineering Head
Shreya Patel
Data Analytics Lead
Alex MacDonald
Digital Communications Lead
Sarayu Manikandan
Organizing Lead
MariCait Gillespe
Organizing Lead
Sarayu Manikandan
Organizing Lead
Sarayu Manikandan
Organizing Lead
Sarayu Manikandan
Organizing Lead
Sarayu Manikandan
Organizing Lead
Forest Trees
Maddie Groothuis
Business Operations Lead
Michelle Goddard
Sponsorships Lead
Riley Damore
Digital Design Lead
Phoebe Chandler
Digital Design Lead
Tina Vanslette
Partnerships Head
Cat Demassi
Public Relations Lead
Keerthana Sundar
Digital Content Lead
Paxton Howard
Data Engineering Head
Ben Maxwell
Clerical Lead
Isabella Genova
Sustainability Lead
Leah Levenson
Partnerships Lead
Mary Hogue
Logistics Lead
Alex MacDonald
Digital Communications Lead
Joy He
Software Development Lead
Cynthia Wang
Software Development Lead
Allison Kwan
Software Development Lead
MariCait Gillespe
Organizing Lead
Yasmina Zaarour
Organizing Lead
Samuel Schirmacher
Data Analytics Lead
Bri Mahon
Finance Lead
Alex Greer
Organizing Lead
Danielle Kilcawley
Partnerships Lead