Quantitative Financial Strategies

Samuel Harnisch is the founder of Quantitative Financial Strategies (QFS), a boutique wealth management firm specializing in advanced tax strategies that the ultra-wealthy have used for decades to reduce taxes. With exclusive access to these proven strategies, Samuel is dedicated to helping business owners, high-net-worth individuals, and families protect and grow their wealth in the most tax-efficient manner possible. Samuel holds a Master’s in Applied Quantitative Finance and honed his expertise working at PIMCO, the world’s most sophisticated bond manager, where he gained a deep understanding of complex financial instruments. He then served at a multifamily office, managing portfolios for families with $10 million - $100 million in assets, investing in private equity, hedge funds, and direct real estate to enhance portfolio performance and reduce risk. At QFS, we don’t just offer generic financial advice; we provide bespoke, tax-optimized strategies tailored to your specific financial situation. Whether you’re navigating a business exit, needing to diversify concentrated stock portfolios, or looking to reduce your income taxes, we leverage the same strategies used by the world’s wealthiest families to help you achieve your goals. Our focus is on more than just immediate financial success—we strive to help you maintain your family’s legacy through careful, strategic wealth transfer. With our guidance, you can ensure that your wealth is effectively preserved and passed down, sustaining your family’s prosperity for generations.

Hilal Yilmaz is a CFA® charterholder with one year of industry experience. She is currently an advisor at Quantitative Financial Strategies and also affiliated with XYPN Sapphire. Her prior experience includes roles at Forward Wealth Management, Inspicio, LLC, and Insight Investment Counsel. Quantitative Financial Strategies serves individual and high-net-worth clients with fee-only investment and wealth management services, emphasizing asset allocation and modern portfolio theory through a blend of passive and active strategies. The firm integrates technology, including AI tools, to support discretionary portfolio management and comprehensive financial planning.

Katerina Minevich is a CFP® and holds a Series 65 license. She began her advisory career in 2026 and currently works at Quantitative Financial Strategies, a supported firm based in Los Angeles. Prior to entering financial advising, she spent nine years at NuORDER, Inc and was self-employed for four years. Quantitative Financial Strategies serves individual and high-net-worth clients with fee-only services including investment and wealth management, financial planning, and retirement plan consulting. The firm employs asset-allocation and modern portfolio theory using a combination of passive and active investments and model portfolios, managing most client relationships on a discretionary basis with support from technology such as AI tools.