Executive Team
Derek Herzog
Co-FOUNDER
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Derek Herzog is a co-founder of TGD, a vertically integrated real estate and construction platform operating throughout Central Ohio. His work spans property acquisition, development, construction, and renovation, with a focus on residential and small multifamily assets.
Derek brings over eight years of professional experience in multifamily construction and development, having managed and supported projects with budgets ranging from $7.5 million to more than $80 million. This background provides a deep foundation in project planning, cost control, scheduling, and risk management, which informs every aspect of TGD’s operations, from underwriting and design to construction execution and long-term asset performance.
Across the TGD platform, Derek specializes in ground-up new construction, value-add renovations, duplex and small multifamily development, and long-term ownership strategies. He is known for his ability to bridge construction execution with real estate investing, allowing projects to be evaluated conservatively, built efficiently, and positioned for durable, long-term results.
Derek’s approach prioritizes downside protection first, disciplined budgeting, and clear execution. Whether working with sellers, investors, lenders, or homeowners, he emphasizes transparency, realistic assumptions, and accountability at every stage of the process.
At its core, TGD reflects Derek’s belief that the best outcomes come from building things the right way, structuring deals responsibly, and standing behind the work.
John Riedel
Certified public accountant
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John is a Certified Public Accountant (CPA) and serves as the financial and operational backbone of TGD. With +8 years of public accounting experience within the Big 4, he brings a rigorous, institutional approach to accounting, financial reporting, and deal structuring across the TGD platform.
His background spans across multiple industries including financial services and real estate. He has lead and supported on complex transactions, providing deep expertise in financial controls, cost capitalization, tax structuring, and compliance. At TGD, this experience translates into disciplined underwriting, accurate project-level profitability analysis, and financial systems designed to scale alongside the business.
John oversees TGD’s accounting architecture, including property-level cost tracking, inventory / fixed asset accounting, debt / refinancing structures, and partner-level reporting. He works closely with operations to ensure that financial data reflects economic reality—allowing acquisition decisions, renovation strategies, and exit timing to be evaluated with clarity and precision.
Known for his detail-oriented and methodical approach, he focuses on reducing risk through strong internal controls, clean documentation, and conservative financial assumptions. His work ensures that TGD’s projects are not only built and executed well, but also structured and reported correctly from day one.
At TGD, John’s role is to make sure the numbers tell the true story—supporting responsible growth, informed decision-making, and long-term durability across the portfolio.
Matt Fox
Co-FOUNDER
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Matt Fox is a co-founder of TGD, where he supports the company’s day-to-day operations, planning, and business execution across its vertically integrated real estate and construction platform.
Matt brings seven years of experience in construction and business operations as the owner of an excavation company based in Port Clinton, Ohio. In that role, he managed project scheduling, budgeting, forecasting, and business development, gaining hands-on experience in running construction operations efficiently while balancing growth, risk, and profitability.
At TGD, Matt applies this operational background to help guide strategic planning, process development, and execution oversight, ensuring projects remain aligned with budgets, timelines, and long-term objectives. His experience as a business owner allows him to view projects through both an operational and financial lens, supporting disciplined decision-making across the organization.
Matt’s role focuses on creating structure, accountability, and scalability behind the scenes—helping TGD operate efficiently while maintaining the standards of quality, transparency, and risk management that define the platform.