Colin Mahoney founded MCG in 2009 and has spent more than two decades working where public policy, communications and markets meet. He has held policy roles with President Joe Biden, worked for Congressman John Tierney and Massachusetts Senate President Thomas Birmingham, and ran the U.S. office of an international PR firm before starting MCG. His energy work goes back to helping Goldwind, China's largest wind turbine maker, enter Western markets, and running government relations for FloDesign Wind Turbines as it won state incentives in Massachusetts. He has served on the advisory board of the Cleantech Open and the executive board of the MIT Enterprise Forum's clean energy competition, and holds a BA in political science from the University of Massachusetts.

Fiana Tulip leads MCG's climate tech, AI and deep tech accounts, including Endolith, Technosylva, Aircapture, Centigrade and VoLo Earth Ventures. Her work has put Aircapture in The Wall Street Journal and Endolith's CEO in Fast Company. She started at Edelman and Ketchum, working on Dove's Real Beauty campaign and national media for Microsoft and Nokia, and later ran communications for the nutrition science company ZOE. She has a BS in communication studies from the University of Texas at Austin and an MS in marketing from Parsons. She is a published author and an advocate for health equity.

Emily Torrans joined MCG in 2023 and leads much of the firm's crisis and public affairs work. Before MCG she was an associate director at Havas Formula, where she ran crisis communications for Republic Services, Bosch eBike Systems and Wag! and built thought leadership programs for founders heading into fundraising and acquisitions. She has also written for and advised foundations including the Pew Charitable Trusts. She has a BA in political science and economics from Columbia University.

Matt Matyjek guides climate tech and energy companies to translate complex technologies into clear, compelling narratives that build industry credibility and shape policy conversations. He’s led communications strategies across utilities, venture capital, e-mobility, energy storage, hydrogen, and solar, securing top-tier coverage in The Wall Street Journal, Forbes, CNBC, and Bloomberg. With a background in public affairs and crisis communications, Matt brings sharp messaging instincts and a deep understanding of how energy innovation intersects with politics, capital, and public perception. Matt is a New York City native and graduated from Georgetown University with a degree in Government.

Sarah McAllister runs day-to-day media and messaging for MCG clients including Exus, Switch Bioworks, Aircapture and Prisma Photonics, and prepares their executives for interviews, panels and community meetings. Before MCG she was at Goodman Media International, working across B2B, consumer and healthcare accounts, where she landed an Associated Press feature for a client spokesperson. She has a master's in public relations and corporate communication from NYU and a BS in communication studies from Emerson College.

Isabella O'Malley is a public relations professional specialized in strategic communications, media relations and messaging for the climate and energy sectors. Drawing on her background in climate science, she translates complex sustainability concepts into compelling, high-impact stories. Prior to her agency work, she worked as a climate reporter at The Associated Press where she covered pivotal developments in renewable energy, weather, industrial decarbonization and environmental policy for a global audience. She grew up in Canada and received her Masters in Environmental Science from the University of Toronto.

Patti is an inquisitive public relations professional focused on the deep tech, climate tech, and energy industries. She supports the execution of strategic communications through media relations support, social media content, and day-to-day client coordination. Before joining MCG, she worked in marketing and communications at National Grid Partners, where she connected with portfolio companies and the wider utility organization on marketing, events, branding and PR, including press coordination and media outreach. Based in California, she grew up in the San Francisco Bay Area and received her Bachelors in Business Administration from Cal Poly San Luis Obispo.

Nathan Kress has worked with Colin for nearly 20 years as a designer, creative director and video producer. He has climbed 200-foot wind turbines and flown drones over battery installations to get footage, and once shared a set with a family of bears. His work runs from logos and websites to trade show booths. He calls himself a proudly mediocre guitarist.