Billy Mann

Billy is a leading communications strategist and a trusted advisor to senior executives at Fortune 500 companies. While he grounds his advice in advanced quantitative and qualitative research, he recognizes that clients need more than data; they need answers and a plan.

Billy has helped his clients grow revenue and build their reputations by constructing winning messages, repositioning their brands, and developing advertising campaigns. He is an experienced crisis communicator, having worked on some of the most publicized product recalls and corporate crises in recent history.

He has extensive experience advising senior executives in a variety of industries including financial services, technology, energy and automotive.

Before launching Quadrant Strategies, Billy served as President of the global research firm Penn Schoen Berland where he helped oversee a team of 200 people across ten offices and led some of the firm’s largest accounts. Prior to that, he was Assistant Chief of Staff to Maryland Lt. Governor Kathleen Kennedy Townsend.

Billy graduated magna cum laude and Phi Beta Kappa from Yale University where he earned a B.A. and M.A. in American History. He is based in Washington, DC.

Scott Siff

Scott is a senior communications consultant with legal and crisis management expertise who advises clients facing high-stakes publicity, legal, and image issues.

In the political arena, Scott has been an advisor to leaders around the globe, including President Clinton and British Prime Minister Tony Blair. In the corporate sector, Scott has extensive experience advising US and global Fortune 50 firms on strategic planning, competitive positioning, and on the creation of ads, press releases, and speeches. A particular specialty is coordinating research and strategy for global clients.

Scott previously served as CEO of brand consultancy BAV Consulting and Vice Chair of global research firm Penn Schoen Berland. At PSB, Scott helped launched offices in the U.S., Asia, and Europe.

Earlier in his career, Scott worked for the U.S. Department of Justice, first as a prosecutor and later as counsel in the Environment Division, where he handled a range of litigation and policy matters involving complex domestic and international issues.  

Scott is on the Boards of the Rock Creek Conservancy and Freedom House. He received an A.B. from Harvard University, Phi Beta Kappa, and a J.D. from Harvard Law School, where he was an Editor of the Harvard Law Review with Barack Obama. He is based in Washington, DC.

Afshin Mohamadi

Afshin has practiced corporate and political communications strategy, media relations and opinion research at the highest levels. He advises C-Suite executives with a clear understanding of both the art and science behind powerful communications.

With expertise in message development, reputation management and crisis communications, Afshin has counseled high-profile corporations on their highest-stakes challenges. He has worked with Fortune 500 companies in a variety of sectors, including technology, telecommunications, financial services, health care and energy.

Prior to joining Quadrant Strategies, Afshin was Vice President and Managing Director of the Communications & Media Practice at Kelton Global. Before that, he was Vice President at Penn Schoen Berland, leading the firm’s public affairs work. In those positions, he honed a scientific, data-driven approach to helping organizations craft winning narratives.

Afshin also spent nine years in political communications, learning the art of storytelling through the news media and social media. He served as Communications Director for Senator Robert Menendez and Congresswoman Carolyn Maloney and as Press Secretary for Congressman Chris Van Hollen.

Afshin graduated from the University of Michigan with a degree in Political Science and has an M.A. in Political Management from George Washington University. He is based in Washington, DC.