We’re here to help entrepreneurs make a direct impact on sustainability and the future of our planet.
Leadership
Georgina Campbell Flatter
Chief Executive Officer
Aisling Carlson
Chief Growth Officer
Lawson Gow
Chief Operating Officer
Mark Lancaster
Head of Marketing and Technology
Julia Travaglini
Head of Greentown Boston
Kelsey Kearns
Head of Greentown Houston
Adam Wells
Head of Finance
Ryan Davidson
Chief of Staff
Greg Ralich
Head of Startup Success
Greentown Boston
Julia Travaglini
Head of Greentown Boston
Brian Dowling
Senior Director of Facilities
Sam Crum
Director of Portfolio Development
Jacqueline Hedberg
Director of Startup Experience and Events
Irina Kous
Senior Operations Manager
Kay Lowden
Senior Manager of Safety
Olesya Mantussova
Wet Lab Manager
Maria Jose Milla
Portfolio Development Manager
Steve Sansone
Machine Shop Manager
Mason Donovan
Operations Coordinator
Melvin Guzman
Lab Coordinator
Ananyaa Mehra
Startup Experience and Events Coordinator
Julia Blake
Front Desk Coordinator
Greentown Houston
Kelsey Kearns
Head of Greentown Houston
Amir Eskafyan
Director of Ecosystem Development
Ingrid Velasco
Director of Strategic Programs and Events
Nikki Bell
Operations Manager
Ana Jaramillo
Office Manager
Chloe Rose
Community Experience Manager
Alexandra Bonomi
Community Coordinator
Abhi Sambaraj
Operations Analyst
Marketing & Technology
Mark Lancaster
Head of Marketing and Technology
Natalie Hill
Senior Marketing Manager
Growth, Development & Mission Capital
Aisling Carlson
Chief Growth Officer
Rocio Cespedes
Director of Partnerships
Manon Chappat-Alarcon
Director of Partnerships
Michela Grunebaum
Senior Director, Ecosystem Development
Marinna Teixeira
Senior Director, External Programs
Erin Silver-Wheeler
Director of Programs & Platform
Olivia Barboza
Partnerships Manager
Maria Vasington
Partnerships Coordinator
Finance & HR
Adam Wells
Head of Finance
Ansel Michels
Controller
Janet Rife
Revenue Accounting Consultant
Join the Team
Help us accelerate the transition to a net-zero world. See our open positions below.
The compass that guides our work
We Believe What Starts at Greentown Will Change the World
We believe solving the world’s energy and climate challenge is the defining opportunity of our time. The world needs more energy and fewer emissions, delivered faster than ever before. Disruptive technologies and bold innovation aren’t optional—they’re essential to building a resilient future with good jobs, thriving communities, and shared prosperity.
We Are Entrepreneur-First
We believe entrepreneurs are our north star — their success is how transformative technologies scale. When founders win, the world wins: impact grows, solutions reach markets faster, and prosperity is shared.
Innovation Is a Team Sport
We believe no one changes the world alone. Entrepreneurs succeed faster when ecosystems rally — industries, investors, policymakers, and communities moving together. Strategic networks compound progress exponentially. Together, we win bigger and move faster.
We Believe in Urgent Optimism
We believe the toughest problems are solvable — but the clock is ticking. Speed is our advantage. Challenges are opportunities. Hope is contagious. And remember: hard is fun. The future depends on us acting now.
We Are Playful, Curious, and Human
We take the work seriously — and ourselves lightly. We stay curious, bring joy to the work, and make room for creativity, humor, and human connection. Hard things are more fun — and more possible — when you’re building them together.
We Focus on Impact That Matters
We focus on real-world outcomes: more energy, fewer emissions, and good jobs. We care about speed to scale for transformative solutions — because impact only matters if it reaches the world. We also care about building a healthy, sustainable Greentown that can serve founders over the long term.