We pass new laws, no matter how ambitious or complex. We defeat bad legislation, no matter how much firepower is on the other side. We develop sound policy proposals that cut through the noise. We work with regulators to implement rules in a clear and advantageous fashion. We move government faster than it would otherwise move. We do all of this to support the goals of clients who are seeking to better the state of California and the world.
We build broad support for policy outcomes. We assemble an army of powerful and diverse voices beside you. We call on our unmatched relationships with California’s leaders and the deep respect we carry with the most influential organizations in the state.We enhance reputations and establish political power for our clients.
We create markets where they didn’t previously exist. We win business with governments. We position government to support and enhance investment in the state. We call on our reputation as a respected intermediary to establish strong relationships between our clients and procurement officials.
Legislative, regulatory and procurement representation on behalf of flagship businesses. Experience includes work for Fortune 50 companies like AT&T, high tech visionaries like Uber and nonprofit leaders like Blue Shield of California.
Legislative and regulatory representation on behalf of organizations devoted to improving the lives of working families. Experience includes work for the California State Council of the Service Employees International Union, the nation’s largest labor union.
Legislative and regulatory representation on behalf of entities that are developing and deploying advanced clean energy solutions. Experience includes work for leading utility-scale solar and energy storage developer Recurrent Energy, renewable hydrogen energy solution provider Mitsubishi Hitachi Power Systems, fuel cell energy provider Bloom Energy and biomass energy provider IHI Power.
Legislative, regulatory and procurement representation on behalf of cities, electricity providers, water utilities, transit agencies and other public sector entities. Experience includes work for the City of Los Angeles, State Bar of California, East Bay Community Energy, Los Angeles Department of Water & Power, California Water Service, Antelope Valley Transit Authority and Long Beach Transit.
Legislative, regulatory and procurement representation on behalf of providers, plans, digital health companies and other critical players in the health care space. Experience includes work for nonprofit plan Blue Shield of California, health care workers of SEIU, digital health company Manifest MedEx, as well as professional associations California Society of Health-System Pharmacists and California Chiropractic Association.
Legislative, regulatory and procurement representation on behalf of California’s high tech industry. Experience includes work for transformative social ride-sharing service Uber, preeminent design and manufacturing software company Autodesk, vehicle to government software innovator Vitu and autonomous vehicle robotics pioneer Nuro.
Legislative, regulatory and procurement representation on behalf of entities developing and deploying environmentally conscientious technologies. Experience includes work for electric vehicle manufacturer BYD Motors, electric vehicle charging provider WAVE, battery resource recovery pioneer Li-Cycle, carbon capture and sequestration leader Air Products and renewable gas developer True North Renewable Energy.
Legislative, regulatory and campaign representation in furtherance of some of the nation’s most daunting social issues. Experience includes enactment of California’s end of life option act on behalf of Compassion & Choices, passage of seminal climate change legislation on behalf of NextGen Climate Action and enactment of legislation delivering clean and affordable drinking water to Californians on behalf of the Community Water Center.
Legislative, regulatory and campaign representation on behalf of tribal governments and organizations. Experience includes advancing and protecting the economic and cultural vitality of the Picayune Rancheria of Chukchansi Indians, Mooretown Rancheria Concow Maidu, Paskenta Band of Nomlaki Indians and the Modoc Nation.
Management of statewide ballot initiatives, independent expenditure campaigns and grassroots programs. Experience includes multiple double-digit victories on statewide ballot measures, successful state legislative independent expenditure campaigns and grassroots programs that helped to achieve legislative and regulatory goals.
“Blue Shield has benefited tremendously from Weideman’s high integrity, outstanding advocacy, and sophisticated strategies.”
“One of the top lobby firms, the Weideman Group.”
“There is no better lobbying firm in California than Weideman Group. I’m certain of it. They have helped us to enact bold policy over determined opposition, they have unmatched relationships with the leaders of the state and an incredible command over the legislative and regulatory process.”
“Weideman Group operates with a level of professionalism and expertise we simply haven’t seen before. They are highly trusted advisors that have helped us skillfully navigate complicated legislative and regulatory matters and they have consistently ushered through successful government procurements.”
“Weideman is a first-rate lobbyist and attorney, plugged into the Capitol on major issues. If it’s happening, he’s probably there.”
“The professionalism and tireless efforts of the Weideman Group played an important role in the extension of a legislative policy that was significant to our company and our customers in California. They exercise confident control over all facets of the policy making process.”
Mark Weideman, “...one of the top lobbyists in Sacramento.”
Weideman has decades of experience representing some of the nation’s most sophisticated and politically powerful clients. He provides strategic advice and counsel to his clients designed to achieve their objectives before government entities and acts as their chief advocate before legislative, regulatory and administrative bodies. Weideman has been the architect of successful procurements that have landed clients billion dollar and multi-million dollar contracts. He designs grassroots campaigns that provide broad organic support for policy initiatives and he coordinates activity in local, state and national elections.
Valderrama is a Capitol veteran, having served in staff leadership roles in both the Senate and Assembly. As Managing Director of the Weideman Group, he spearheads strategic engagement with legislative, administrative and regulatory entities. Clients benefit from Valderrama's extensive knowledge of the legislative process and his strong bipartisan relationships with legislators, staff and administration officials. He has experience in all phases of political work including coalition building, grassroots mobilization, strategic planning, PAC management and legislative/initiative campaigns.
McCarthy has been a leader at the forefront of climate, energy, technology and transportation policy in California for nearly 20 years. He leads Weideman Group's growing climate and clean energy practice, where clients benefit from his deep analytical, regulatory and legislative expertise.
Durán is a registered lobbyist for Weideman Group. She provides direct lobbying, strategic counsel, legislative tracking, regulatory monitoring and procurement services for the firm’s clients. Durán previously worked for two California State legislators, as well as the Office of the Assembly Chief Clerk. She also worked in an advocacy position for a Sacramento based government affairs firm. Durán received her bachelor’s degree from the University of California, Davis. She is fluent in Spanish.
Wiraatmadja is a registered lobbyist for Weideman Group. He provides direct lobbying, strategic counsel, legislative tracking, regulatory monitoring and procurement services for the firm’s clients. Wiraatmadja previously worked in the California State Legislature and on legislative campaigns. He also clerked for an administrative law judge and worked in the legal division of the State Treasurer’s Office. Wiraatmadja received his bachelor’s degree from the University of California, Irvine, and his law degree with the Capitol Certificate in Public Policy from the University of Pacific, McGeorge School of Law.
Heckman oversees the internal business operations of the firm and provides legislative and regulatory support for the firm’s clients. She previously worked in the California State Legislature in policy and constituent facing roles. Heckman also worked in operations and special project roles for several non-profit and community based organizations. She received her bachelor’s degree in Journalism from the California State University, Chico.
Valencia tracks legislation and regulatory matters for clients, ensures timeliness of submissions with government entities and supports the firm’s advocacy efforts. He previously worked for Governor Edmund G. Brown Jr. in the Governor’s Appointments Unit. Valencia also worked in the State Legislature and on political campaigns. He received his bachelors degree in political science from the University of California, Davis.