Welcome to Radian Advisors
A California Professional Corporation
Who We Are
At Radian Advisors, we combine a deep understanding of both government and industry with a commitment to innovation. Our CEO Mike Buck has extensive experience advising both Fortune 500 companies and government agencies. Mike's appointments to senior government posts, and leadership positions at major law firms, fueled his desire to create Radian Advisors as a means to more personally engage with clients.
Our mission is to inspire our clients by envisioning asymmetrical responses to complex issues, turning them into opportunities.
Whether advising a global entertainment conglomerate on MARPOL Treaty compliance, or helping push raw land development deals across the finish line, we lead with integrity, expertise, and innovation. We are committed to delivering strategic service that drives success, and take pride in advancing national security, and empowering sustainable growth in communities. Guided by decades of leadership in law and public service, we are dedicated to building solutions that stand the test of time — locally, nationally, and globally.
Explosives Industry - Countermeasures Deployed
Real Estate Industry - Vast Tracts of Land
Petrochemical Industry - California Oil Refinery
Railroad Industry - Transloading Facility
National Security - Balaklava Submarine Base - Black Sea
OUR MISSION
Our team is dedicated and hardworking, consistently going above and beyond to deliver exceptional results. Each member brings unique skills and a strong work ethic, contributing to our collective. We believe in collaboration perseverance, and ensuring that we meet every challenge with determination and enthusiasm. Together, we strive for excellence in everything we do.
Explosives Industry - A Beautiful Use of Explosives
Our Team
FOUNDER / CEO
Mike Buck
Mike Buck is the CEO and Founder of Radian Advisors, bringing decades of leadership experience in private and public service. As a former senior government official, in addition to appointments to various advisory Commissions, Mike understands how to support governmental entities to obtain favorable outcomes. Advising major national and international companies and serving on multiple corporate boards gives him a deep knowledge of what it takes to advance the interests of private industry and strategic land development. Mike answered the call when he received a series of Orders from the Department of Defense to act as a civilian subject matter expert, and reported overseas for national security missions in Ukraine, Poland and Romania. However, Mike says that his most interesting paid job was as a NASA test subject for deep space exploration.
LEADER - PUBLIC ADVOCACY
Anna Buck
Anna Buck is a Registered Lobbyist and attorney who has devoted her career to public advocacy. With over 15 years leading efforts to shape legislation and regulations impacting her clients, she serves a unique role in advising Radian's clients. She is also a subject matter expert in California real estate law and development. Anna is deeply committed to driving meaningful policy solutions that support sustainable growth and strengthen communities across the state.
OFFICE MANAGER
Sloane Jacqueline
Sloane earned her Bachelor’s degree in Business Administration from The American Business School of Business in Paris before returning to her hometown of Miami Beach, FL. There, she made her mark as a food columnist, spotlighting the city’s vibrant culinary scene while discovering a deep passion for branding and managing her family’s restaurant ventures. That experience laid the groundwork for her next chapter: moving to the West Coast to pursue new opportunities. Starting as a personal assistant, Sloane quickly advanced through the ranks and now manages the San Diego office of Radian Advisors. Her keen eye for operations, strong organizational instincts, and warm, hands-on leadership style have made her an indispensable part of the team.
EXECUTIVE ADMINISTRATIVE LIASON
Sydra Bera
Sydra Bera is a dynamic professional with a robust background in the fitness industry, recognized for her ability to support scale businesses through effective operations and administrative leadership. With significant experience coaching and managing at leading fitness brands, she has empowered clients to achieve their goals while team performance and member experiences. Beyond her work in the studio, Sydra has been instrumental in assisting executives and entrepreneurs by streamlining operations and executing growth strategies. Her passion lies in building strong teams, creating efficient systems, and contributing to businesses that inspire and empower others.
REPRESENTATIVE ENTITIES WE’VE WORKED WITH
All product and company names, logos, and brands are property of their respective owners, who we have worked with.
Use of these names, logos, and brands does not imply endorsement, sponsorship, or affiliation with our company.
Our Services
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National Security & International Advisory
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Real Estate and Environmental Law & Policy
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Corporate Governance & Strategic Counsel
What People We Work With Have To Say
“Mike Buck is the brilliant guy you want on your team – I’ve been blessed to have him on mine. He’s a winner who has truly stood the test of time.”
Mike H.
CEO, Transportation and Energy Industries / Serial Entrepreneur
“I first met Mike when he was appointed by the Governor to a new position created for him at the Office of the Secretary. He became the Agency’s first Assistant General Counsel, charged with coordinating enforcement activities of the Agency’s Boards, Offices and Departments, and working directly under the Deputy Secretary for Law Enforcement and Counsel. Mike won everyone over with his subject matter expertise, open, engaging style, and focused vision. In recognition of his success, the Governor later appointed him as Trustee of California’s groundbreaking Expedited Site Remediation Trust Fund. We remain friends to this day.”
Ken S.
Former Special Assistant to the Secretary, California Environmental Protection Agency
“Mike provided invaluable assistance to a confidential national security project for the Joint Improvised-Threat Defeat Agency (JIDA), part of the Defense Threat Reduction Agency (DTRA). The success of this project enhanced the nation’s ability to prepare for and adapt to battlefield surprise when fighting in counterterrorism, counterinsurgency and related areas, including counter-improvised explosive devices.”
David S.
Bureau of Alcohol, Tobacco, Firearms and Explosives (Ret.).
“Mike has been one of my principal attorneys and advisors for many years. He has a level head and does not get rattled when the going gets tough. Mike also has great credibility with our clients as a knowledgeable and honorable partner in business dealings.”
Thaine M.
Special Effects Industry Executive and Academy Award Recipient
“It’s no secret that I hate lawyers in my deals, and have avoided them as much as I could. Mike has something unique that drew me in from the first bind he got us out of. A British defense contractor had contaminated our property they were leasing by testing depleted uranium munitions – Mike turned the tables on them and forced them to buy the property from us at the uncontaminated value. He has been my go-to person ever since (and still the only lawyer I can stand)”.
Jim G.
One of the largest landowners in the United States (The Land Report, Top 100 Landowners List (2025 Edition))
We are always pleased to meet accomplished individuals and organizations. Because we maintain a highly focused practice and a limited client roster, we are selective in the engagements we undertake. When a matter is not the right fit for our firm, we are glad to suggest other qualified professionals who may be well suited to assist.