skip navigation

Our Team

Silvio Marcacci, Principal

Silvio MarcacciSilvio has thirteen years’ experience in media relations, online communications, community outreach and government relations. He is a bylined contributor to several energy and climate-focused websites, including CleanTechnica, The Energy CollectiveGrist, and Renew Economy.

Silvio founded Marcacci Communications in January 2012 and has led all client strategy, development, and campaigns conducted by the company. Specialties include public outreach, social media community management, website design and development, and video production.

Before starting Marcacci Communications, Silvio was Director of Outreach and Public Relations for energyNOW!, a nationally broadcast television show focused on energy and climate issues. He helped create an audience of several hundred thousand television and online viewers per month, negotiated cross-promotional partnerships with energy-related websites, built a 60,000-member social media community, produced and edited scores of videos, secured hundreds of show mentions in media outlets, and negotiated an online video distribution agreement with AOL/Huffington Post.

Silvio joined energyNOW! from the Washington, D.C. office of international public relations firm Fleishman-Hillard, where he managed multiple award-winning campaigns for clients in the energy, environment and sustainability industries. He began his career in New Jersey government and politics, including work in the governor’s office and several statewide political campaigns.

Will Sullivan, Digital Strategist

Will SullivanWill has twelve years of digital, media, and content-development experience, and has led multiple award-winning online communications campaigns both as a consultant for Marcacci Communications and as the senior digital strategist at partner agency Visceral.

He co-founded digital consulting firm Craft Interactive and also worked at international public relations firm Fleishman-Hillard as a speechwiter, strategic messaging consultant, and editorial director in Washington, D.C.; Jeddah, Saudi Arabia; and Tokyo, Japan.

Will is a former business reporter, and graduated form Northwester University’s Medill School of Journalism.

Our Network