DLK Investment Team

About Us

Disciplined Pursuit of Quality

We are a boutique investment advisory firm with institutional quality practices that are applied to all aspects of our business. Our approach allows us to focus on the most important aspect of our job: creating long-term value for our clients.

Founded in 2009 as an independent, employee owned firm, we offer an investment approach focused on quality designed for long-term investors that are seeking to outperform the equity market with less volatility. DLK is a diverse team of professionals who have experience in multiple areas of investment management, on both the advisor and client side.

Clients are Always at the Center and our Top Priority

At DLK we are 100% employee-owned with institutional quality practices for operations, compliance and client reporting. We address unique client needs through our proven equity management along with fixed income being used within a balanced framework at various allocations.

Meet the Team

Each financial professional at DLK has extensive experience in managing client portfolios. Our clients are able to benefit from our collaborative insights to leverage a depth of expertise that enables us to deliver reliable, proven results.

Donald Dempster, CFA

Donald O. Dempster, CFA

President and COO


Don is a founding partner of DLK with over 27 years experience encompassing investment management, operations, accounting, and compliance (was previously with SEC). Don was also previously with Rice Hall James & Associates where he led the compliance group among other responsibilities. A veteran of the US Army, Don holds a B.S. in Finance from the University of Idaho and is a Chartered Financial Analyst (CFA).

Theodore J. Kay

Theodore J. Kay

Portfolio Management and Research


Ted is a founding partner with oversight of DLK’s research and investment process along with portfolio construction and risk management for all of DLK’s investment offerings. Prior to DLK, Ted was with Rice Hall James and Associates where he worked with Donald Dempster and Charlie King. Ted graduated with a B.S. in Finance and Entrepreneurship from the University of Arizona.

Brian S. Johnson

Brian S. Johnson

Portfolio Management and Research


Brian has been in the financial services industry for over 17 years with an extensive background in both fixed income and equity management. At DLK, he oversees fixed income management including those for balanced allocations along with conducting equity research and trading for DLK’s strategies. He graduated with a B.A. from California State University San Bernardino.

Thomas S. Brenner

Thomas S. Brenner

Financial Advisor


Tom has been working in the financial services industry since 2001. In 2010 he co-founded Nautilus Advisors, an independent RIA specializing in financial planning and investment management. Tom is a Certified Financial Planner, CFP® and works with a wide range of clients. He graduated with a B.A. from the University of Rhode Island in 1996.

Mark A. Halby

Mark A. Halby

Certified Financial Planner, CFP®


Mark has over 10 years of experience in the financial services industry. He is an active member of the Financial Planning Association, and previously served on the board of the San Diego and CA chapters. He holds a B.S. in financial services from San Diego State University and is a CERTIFIED FINANCIAL PLANNER™ (CFP®) Professional.

Matthew Van Winkle

Matthew Van Winkle

Portfolio Manager


Matthew has extensive experience in institutional asset management including fundamental long/short equity portfolio management, research, and quantitative equity trading strategies. He obtained his Ph.D. at the Ross School of Business at the University of Michigan. Professor Van Winkle earned a Master of Accounting degree from the University of Washington where he also currently teaches.

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