Experience

Tim Grantham is Executive Director – Wealth Management, Financial Advisor, and Market Director for UBS Financial Services in Oklahoma. He also leads The Red River Group, a distinguished team within UBS with offices in both Oklahoma and Dallas. The group specializes in delivering tailored wealth management strategies for high-net-worth families, corporate executives, and entrepreneurs—primarily across Texas and Oklahoma.

With a career in financial advising that began in 1989, Tim brings decades of experience and a deep understanding of the financial landscape. He is passionate about helping clients navigate complex financial decisions through personalized planning and long-term relationship building.

Originally from Oklahoma City, Tim is a proud graduate of the University of Oklahoma. After nearly 30 years in Dallas, he returned to his hometown in 2016 to take on a leadership role within UBS.

Tim and his wife, Jennifer, have three children: Julia, currently in law school; Joe, a college junior; and Jake, a high school junior.

Bill Piazza is a First Vice President – Wealth Management and Financial Advisor with UBS Financial Services Inc., based in the firm’s Dallas office at The Crescent. With a client-first philosophy, Bill partners with families to design and implement comprehensive wealth management strategies tailored to their unique goals. His areas of focus include financial planning, banking and liquidity management, and multigenerational wealth transfer.

As a key member of The Red River Group, Bill provides in-depth analysis, modeling, and portfolio evaluation to help clients make informed decisions and stay on track toward long-term financial success.

Bill earned his undergraduate degree from Tulane University and holds an MBA with a concentration in finance from the University of Texas at Arlington. He lives in Dallas with his wife, Dr. Lisa Luke, an internal medicine physician at Baylor University Medical Center, and their son, Luke, a student at St. Mark’s School of Texas. Bill is actively involved in the school’s annual fund and is a former chair of the Parish Episcopal School annual fund.

Patty began her career in the financial services industry in 1998 as a Sales Assistant. She holds Series 3, 7, 63, 9, and 10 licenses and currently serves as a Registered Sales Assistant for the Red River Group at UBS Financial Services, Inc.

With over two decades of experience, Patty is known for her unwavering commitment to exceptional customer service. She takes pride in building lasting client relationships through responsiveness, professionalism, and meticulous attention to detail. Whether assisting with complex transactions or providing day-to-day support, Patty ensures every client interaction is handled with care and precision.

Originally from Oklahoma City, Patty earned her degree in Business Administration from Southern Nazarene University. She and her husband, Todd, have three wonderful children—Tanner, Lauren, and Gretchen. Outside of work, Patty enjoys playing tennis, cheering on Gretchen at the softball field, and spending time with her beloved dogs, Gigi the Great Dane and Lulu the golden doodle.