Antenna Group (Formerly Beckerman): Climate and Energy PR

Antenna Group, formerly Beckerman, is a New York integrated marketing, public relations and strategic communications agency led by CEO Keith Zakheim, per Business Wire. A March 2025 release says it partners with "Fully Conscious" brands across climate and energy, real estate, health and beyond. It launched a London office in 2023, acquired the Czech firm Rubikon PR and took a minority stake in the creator platform No Logo, per its releases.

Originally published June 2018. Updated October 22, 2026.

Who leads Antenna Group?

Keith Zakheim is CEO. In a Business Wire release announcing climate hires Marisa Long and Kristin Ford-Glencross, he said the firm aims to remain the preeminent agency focused on climate, energy, mobility and the built environment, which is the firm's own characterization. A 2022 release named Christa Segalini its first chief client officer, quoting Zakheim saying she had been at his side for more than a decade. A 2023 release said Jacob Loban joined as executive vice president and head of digital and performance marketing.

Person	Role	Source
Keith Zakheim	CEO	Business Wire
Christa Segalini	First chief client officer, named 2022	Business Wire
Jacob Loban	EVP and head of digital and performance marketing	Business Wire, 2023
Marisa Long	Senior vice president, climate and energy	Business Wire
Kristin Ford-Glencross	Vice president, climate and mobility	Business Wire

What is the firm's history?

Antenna Group is the former Beckerman, per O'Dwyer's. A 2021 Business Wire release described it as an award-winning PR and digital marketing agency specializing in cleantech, mobility, real estate, health and emerging B2B technology, and announced Cassandra Sweet as vice president of cleantech in San Francisco. A separate 2021 release announced the launch of Antenna Public Affairs in Washington to help clients on climate and sustainability policy. Business Wire carried the launch of its UK operations and London office in June 2023, described as the first in a planned series of expansions across Europe.

Date	Event	Source
October 2021	Cassandra Sweet appointed vice president of cleantech	Business Wire
November 2021	Antenna Public Affairs launches in Washington	Business Wire
August 2022	Christa Segalini named first chief client officer	Business Wire
June 2023	UK operations and London office launch	Business Wire
2024	Acquires Rubikon PR	Business Wire; CB Insights
March 2025	"Fully Conscious" brand identity launches	Business Wire
2025	Minority investment in No Logo; Conscious Compass launches	Business Wire

What does Antenna Group do?

The firm calls itself a global marketing and communications agency that partners with Fully Conscious brands, those with the courage to lead transformative change across climate and energy, real estate, health and beyond. Business Wire says it launched Conscious Compass, a proprietary AI-powered tool for assessing brands and recommending a unified, purpose-driven strategy, and that its No Logo investment adds influencer marketing capabilities. It also announced Antenna House 2026, an immersive Climate Week NYC program on September 23 at LUME Studios. EPR's technology PR and public affairs pages cover related disciplines.

Which acquisitions and investments has Antenna Group made?

Business Wire reported the acquisition of Rubikon PR, a Czech public relations and marketing firm. CB Insights quotes Zakheim saying No Logo supercharges the firm's partnerships with conscious brands, and says the investment followed the previous year's Rubikon acquisition and the Fully Conscious launch earlier in the year.

How does Antenna Group compare with other agencies?

Antenna Group is a mid-sized independent with a climate and energy specialty. Peer profiles include Merritt Group, The Berman Group, BerlinRosen, Mission North, InkHouse and Method Communications.

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Related: PR agency profiles, PR leaders, Technology PR, Merritt Group, 5W Public Relations

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