WhyRiverstone
We offer strategic advice and oversee the execution of a plan that will meet your needs. Whether it’s in the halls of power or in the voting booth, we provide strategies to guide clients to victory.
We help you navigate the modern media landscape and make your voice stand out from the pack. Our experience helps you share your story with the audience who needs to hear it.
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Clients choose Riverstone Public Affairs for senior-level strategy, disciplined execution, and a proven ability to deliver results in complex political and policy environments.
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Grant Herring brings senior-level experience on the campaign trail, in state capitals, and on Capitol Hill. Grant Herring has advised clients on advocacy projects ranging from health care, cyber security, voting rights, workforce development, infrastructure, clean energy, and other critical issues before Congress. He works closely with clients to achieve their objectives by implementing communications plans, designing advocacy campaigns, legislative strategy, and crafting successful engagement tactics.
Since founding the firm in 2021, he worked with small, mid-size, publicly-traded companies, and national organizations to navigate Washington. Since 2022, he has worked with Liberty Partners Group on a wide range of bipartisan lobbying efforts.
He is a veteran of high-profile campaigns and high-stakes legislative efforts, including work for U.S. Senators Joe Manchin (D-WV) and Mark Pryor, (D-AR) Governors Ralph Northam (VA) and Jim Justice (WV), U.S. Representatives Gerry Connolly (VA-11) and John Tierney (MA-6), and Virginia Senate Majority Leader Dick Saslaw. More recently his work helped elect Congressman James Walkinshaw in Virginia’s special election.
Herring has years of experience helping candidates, organizations, elected officials, and clients deliver their message to the right audience in some of the most complex political landscapes. He’s managed millions of dollars in paid media campaigns, prepared principals for high-stakes media appearances, built coalitions, and advised clients during major legislative fights on Capitol Hill, in state houses, and at the local level.
Bianca Galarza specializes in communications, strategic engagement, and grasstops mobilization.
She has experience advancing cross-sector initiatives across the federal government, international organizations, trade associations, and nonprofits.
Bianca’s portfolio revolves around turning policy and market insights into actionable strategies that support organizational growth, stakeholder alignment, and program impact. She’s navigated clients and principals through political fights in Washington and beyond.
At the U.S. Department of Energy’s Office of Manufacturing & Energy Supply Chains, Bianca helped lead engagement for an $80 million funding opportunity that doubled applications and organized high-level convenings with industry executives to inform national supply chain readiness efforts. Prior to her career with the federal government, Bianca supported economic development efforts in Puerto Rico through her work with Friends of Puerto Rico. She helped manage an island-wide education initiative that graduated 83 students and supported the launch of 25 local businesses. In parallel, she strengthened corporate engagement by developing strategic communications for investors, contributing to multi-million-dollar sponsorships.
She now leads strategic communications and policy engagement efforts for clients, including drafting and placing op-eds, managing media interviews and digital content, developing advocacy strategies, and aligning diverse stakeholders around shared goals. Central to her work is cultivating trusted relationships, elevating expert voices, and shaping policy narratives.
A native Spanish speaker, Bianca holds a Master’s degree in International Relations from Johns Hopkins SAIS and a Bachelor’s in Business Administration from Saint Mary’s College of California.