Douglas Shaffer is a financial advisor with Stirlingshire Investments in Toledo, OH, holding a Series 66 designation and seven years of industry experience. His prior roles include positions at Valic Financial Advisors, Directions Credit Union, and Ameriprise Financial Services. Outside of his advisory work, he is involved in variable annuities sales with RetireOne and Highland Capital. Stirlingshire RIA LLC provides discretionary portfolio management to individuals, trusts, and other entities, serving both non‑high-net-worth and high-net-worth clients. The firm employs a multi-method investment approach, including quantitative, fundamental, technical, and modern portfolio theory, and offers a range of investment options through its Advyzon marketplace.

David Gluckle is a financial advisor with Stirlingshire Investments, holding 12 years of industry experience. His prior work includes roles at Money Concepts Capital Corp and Nationwide Securities, LLC. Outside of his advisory work, he owns and operates the David John Gluckle Insurance Agency LLC. Stirlingshire Investments serves individuals, trusts, and other entities, providing discretionary portfolio management, financial planning, and IRA rollover advice. The firm employs a variety of investment approaches and analytical methods to customize portfolios based on client profiles, managing most accounts on a discretionary basis.