The McGowanGroup Team

The McGowanGroup draws on a team of talented, caring financial services professionals with extensive experience and diverse capabilities. Their insights position us to best meet the ever-more-complex needs of our clients. 

Management Team

Spencer McGowan

President, Certified Investment Management Analyst®

Mr. McGowan is the founder of McGowanGroup Asset Management, a member of the MGAM Investment Committee, and serves as firm’s chief investment strategist.  Spencer McGowan began his financial advisory practice after graduating from the University of Texas in 1986, training under the mentorship of his father Loy Dean McGowan.  In 1989, Mr. McGowan invested in one of the financial services industries first CRM, customer relations management systems.  In 1991, he adopted one of the industries first investment performance tracking systems.  In 1997, Spencer earned the Certified Investment Management Analyst certification from the University of Pennsylvania’s Wharton School of Finance. Utilizing a proprietary cash-flow based investment discipline, coupled with an advanced performance tracking system, Mr. McGowan has built a unique private wealth management platform. In addition to authoring two  books,  Spencer  has  advised  thousands  of  successful  families  and  is the host of NetWorth RadioTM.

Sandra Henderson

Director of Client Reporting

Sandra is responsible for the effective management of our client performance reviews and facilitating client tax reporting information. Prior to joining the McGowan Group Asset Management, Sandra served as Operations Vice President with LPL Financial and has held a variety of operations positions with various Dallas financial institutions. She received a BS from Southern Methodist University. Sandra holds Series 7, 24 and 63 securities registrations.


Andrew Orton, CPWA®

Director of Research, Certified Private Wealth Advisor®

With over 17 years of financial services experience, Andrew serves to empower clients and prospective clients through education and development. Other responsibilities include onboarding new clients and trading. Prior to joining McGowan Group Asset Management, Andrew was a Branch Manager for GunnAllen Financial and worked as a market maker. Andrew earned a bachelor’s degree in Finance from Arizona State University. He holds the Series 7, 24, 63 and 65 securities registrations and the Group One Texas Insurance license.

Dominique Henderson

Director of Trading and Information Technology

Dominique serves as Director of Trading and Information Technology and is mainly responsible for fixed income trading and the integration of all firm data systems. He brings nearly fifteen years of operations, trading and project management experience to the firm. Prior to joining McGowan Group Asset Management, Dominique spent 8 years with the Dallas based hedge fund, HBK Capital Management, and was responsible for portfolio reporting and special projects. Dominique holds the Series 7 and 66 securities registrations and the Group One Texas Insurance license.

Kathie McWhorter

Director of Client Services 

Kathie serves as the main contact for all things service-related, from distribution requests to operational issues. Her background includes over 10 years of administrative experience, including 5 years as Operations Associate with Hollencrest Securities, LLC in Newport Beach, California. She earned a BA from Arizona State University, and currently holds a Series 11 and 63.


Vanessa Valdez Avila

Allocation Director

Serving as the Allocation Director, Vanessa is responsible for implementing the firm recommendations for non-discretionary accounts.  She is entrusted with the firm’s No client left behind, no dollar left behind policy.  She also manages the 529 and annuity business as well as website and social media platforms. Prior to joining McGowan Group Asset Management, she worked as a Financial Consultant for AXA Advisors, LLC. There she worked for four years as a member of the Retirement Benefits Group, where she specialized in annuities, insurance, and college savings plans. Vanessa graduated from The University of Texas at Austin with a BBA in Finance in May of 2007. Vanessa holds the Series 7 and 66 securities registrations and the Group One Texas Insurance license.

Alexander G Tollen, CPWA®

Director of Client Development and Equity Trading, Certified Private Wealth Advisor®

Alex brings with him over 20 years of experience in the financial services industry. He serves as a client advocate and advanced solutions specialist responsible for outreach and development. Prior to Joining McGowan Group Asset Management, he served as Director of Client Relationship Consulting for 1st Global Capital Corp., responsible for client advocacy and creating efficiencies for firms with combined assets over $900 million. Alex has also served as an institutional trader and market maker with specialties in equity market structure and execution of strategic initiatives. Alex holds the Series 7, 63, 55, 24, 65 and the Group One Texas Insurance License.

SPIRE Investment Partners

Spire Investment Partners is a premier Hybrid Independent Financial advisory firm. Spire offers Wealth Managers the leading technology and customizable systems they need to provide their clients with world class products, services, and truly unbiased advice.