About Gaddis Premier
Our first priority is helping you take care of yourself and your family. We want to learn more about your personal situation, identify your dreams and goals, and understand your tolerance for risk. Long-term relationships that encourage open and honest communication have been the cornerstone of our foundation of success.
Real People,
Backed By Experience.
Client-aligned fiduciary guidance.
Our team brings together advisors with experience ranging from over 40 years to those building the next generation of financial planning expertise. That diversity gives our clients the best of both worlds—seasoned wisdom shaped by decades of market cycles and life transitions, paired with fresh ideas and innovative thinking. No matter where you are in your financial journey, our team is committed to delivering personalized advice with confidence and care.
Durant, Oklahoma
Derek Hines, AIF®
Partner and Wealth Advisor
Leah Anne Brooks, MBA, AIF, CPFA, BFA
Partner and Senior Wealth Advisor
Jordan Haddox, AIF®
Partner and Wealth Advisor
Carol Hines
Human Resources and Accounting Specialist
Jennifer Wineinger
Client Service and Billing Specialist
Amber Dennis
Client Service And Trading Specialist
Lori Almon
Client Service Associate
Denison, Texas
Dave A. Reed, AIF®, NSSA
Partner and Senior Wealth Advisor
Teresa Adams
Partner and Senior Wealth Advisor
Chelsey Ross
Client Service Associate
Jessica Saltzman
Client Service Associate
Ada, Oklahoma
Roger Gaddis, CPA/CFP®
Partner and Senior Wealth Advisor
Leigh Gaddis
Partner and Wealth Advisor
Tammy Byrd
Partner and Wealth Advisor
Tresha Reyes
Client Service Associate
Tishomingo, Oklahoma
Leah Anne Brooks, MBA, AIF, CPFA, BFA
Partner and Senior Wealth Advisor
Jordan Haddox, AIF®
Partner and Wealth Advisor
Muenster, Texas
Dave A. Reed, AIF®, NSSA
Partner and Senior Wealth Advisor
Teresa Adams
Partner and Senior Wealth Advisor
Oklahoma City
Tracie Clark
Client Service Associate
The Meaning Behind Firmament
Firmament is often associated with creation, order, and something greater than ourselves. It reflects our belief that financial stewardship is about more than numbers—it’s about protecting what you’ve built, caring for those you love, and planning intentionally for the future. Firmament serves as a reminder to approach every financial decision with wisdom, purpose, and perspective.
Founded on Ethics & Competence
As an independent registered investment advisory firm, ethics and competence are the foundation of everything we do. We are committed to acting in our clients’ best interests through honest communication, objective advice, and disciplined financial expertise. Our goal is to provide guidance that is both principled and highly informed.

Real People,
Backed By Experience.
Client-aligned fiduciary guidance.
Experience matters...and so does perspective. We've guided clients through changing markets, evolving financial goals, and life's biggest milestones, always with a commitment to personalized service and long-term relationships.