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!

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

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

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

Director of Technology

Justin Miller

Caroline Sprenkle

Director of Marketing

Sarayu Manikandan

Director of Mentorship

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

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

Maddie Groothuis
Communications Lead

Michelle Goddard

Sponsorships Lead

Riley Damore
Social Media Lead

Phoebe Chandler
Brand Marketing Manager

Cat Demassi

Public Relations Lead

Keerthana Sundar

Digital Content Lead

Paxton Howard
Data Engineering

Ben Maxwell

Clerical Lead

Isabella Genova
Sustainability Lead

Leah Levenson

Partnerships Lead

Mary Hogue
Logistics Lead

MariCait Gillespe
Mentor

Joy He
Software Development

Allison Kwan
Software Development

Allison Kwan
Software Development

Yasmina Zaarour
Mentor

Bri Mahon
Finance Lead

Ryan Wahlers
Software Development

Samantha Becaria
Environmental Equity Committee

Sarah McVey
Environmental Equity Committee

Bobby McCarthy
Software Development

Caroline Belanger
Mentor

Lara Cardoso
Urban Mentor

Cece Lagomarsino
Urban Mentor