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 is a brand and communications strategist who advises prominent companies on their high-stakes challenges. He works closely with senior leadership to establish new brand identities, position new products, and develop messages that cut through the noise.

Afshin’s strategic counsel is rooted in a clear understanding of both the art and science behind powerful marketing and communications.

Prior to joining Quadrant Strategies, Afshin honed a scientific, data-driven approach to brand communications at Kelton Global and Penn Schoen Berland.

He also spent nearly a decade in political communications, learning the art of positioning and messaging through the news media and social media. He was Communications Director for Senator Robert Menendez and Congresswoman Carolyn Maloney, and 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, D.C. 

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Matt Nosanchuk

Senior Advisor

Matt has extensive experience working in policy and communications roles in two presidential administrations, on Capitol Hill, and at high-profile NGOs.

Matt served in several senior roles in the Obama Administration: at the White House as Director of Outreach for the National Security Council, and as President Obama’s liaison to the American Jewish community; and in senior positions at the Departments of State, Justice, and Homeland Security.

Matt played a key role working on several of President Obama’s top domestic and international priorities, including the development of the legal and policy positions that led to the expansion of LGBT rights, and the communications and outreach strategy supporting the nuclear agreement between the major world powers and Iran. For his work to further LGBT rights, Matt received the American Bar Association’s Stonewall Award and the Attorney General’s Distinguished Service Award.

Earlier in his career, Matt served in the Clinton Administration as the point person at the Department of Justice on a range of significant policy and legislative priorities.  He also has worked on Capitol Hill as U.S. Senator Bill Nelson’s Counsel, and as Special Minority Counsel on the House Judiciary Committee. In the non-profit sector, Matt directed litigation to reduce gun violence at the Violence Policy Center and ran an initiative at Third Way to broaden support for LGBT rights. Matt’s legal experience includes work in private practice, an appointment as Adjunct Professor at Georgetown University Law Center, a judicial clerkship to Judge Walter J. Cummings on the federal appeals court in Chicago, and a Skadden Fellowship at the ACLU of Illinois.

Matt received his A.B. with Honors and Distinction from Stanford University, and a J.D. from Stanford Law School, where he was Senior Note Editor of the Stanford Law Review and a Truman Scholar. He is based in Washington, DC.