Antenna Group powers your business growth so you can make a lasting impact on the planet.

From innovative technology startups to established industry disruptors, we partner with a range of mission-driven companies and are proud to be the largest agency dedicated to the energy transition and clean economy.


Our Work In Action


Your Climate Leadership

Jake Rozmaryn

Jake Rozmaryn

Chief Growth Officer

Jake serves as Chief Growth Officer at Antenna Group and leads the agency’s work in clean energy, smart mobility, sustainable tech, environmental impact and venture capital.

Regen Keller

Regan Keller

Vice President

Regan drives business growth agency-wide and serves as the strategic lead for 20+ category-leading companies in grid and building decarbonization, renewables, storage, mobility, venture, and the circular economy.

Katie Durham

Vice President

Jake Rozmaryn
Jake Rozmaryn Chief Growth Officer

Let's Talk

Ready to take the next step?

Send us a message or give us a call to discuss your project today!