Our Team

  • J. Brian Morrison

    Chairman & CEO

    Brian is the chairman of the board and chief executive officer of Thornhill Securities Inc. Prior to joining our team, Brian successfully led both public and private companies through combined management experience in finance, investment, and insurance. Specifically, he has focused on the successful reconstruction of a multi-state insurance company during the most challenging economic period of this century.

    As a Registered Investment Advisor (RIA) with National Financial Partners, Brian was instrumental in creating an institutional sales group for clients nationwide. He spent 13 years representing the largest investment bank in the world off Wall Street where he was consistently among the top investment and sales advisors for Stephens Inc. in Little Rock, Arkansas.

    With over 30 years of experience in the investment banking and advisory industries, Brian has multiple licenses, which include life, health and disability, annuity, and FINRA series 24, 7, 53, 3, 65, and 63 licenses.

    Brian is an active board member of the Committee of 100 in Northwest Louisiana where he serves as the Chairman of the Community Relations Committee. Morrison previously served on the Board of Directors for the Louisiana Insurers Conference.

    Brian attended the University of Arkansas at Little Rock where he met his wife, Donna of 37 years. Together they have three daughters, four granddaughters, two dogs, and three grand puppies!


  • Ken Kirkeby

    Investment Advisor

    Ken has been in the securities industry for 30 years. Most of his career was spent with large and regional brokerage firms in New York, New Jersey, and Pennsylvania. He and his assistant, Joanne, have been with Thornhill since 2009. Ken’s hobbies include riding and raising horses.



  • Ben Sebree

    Investment Advisor Representative

    Ben Sebree is an Investment Advisor Representative, attorney, and well-known governmental relations practitioner.  Having served for 22 years as Vice-President and General Counsel for the Texas Oil and Gas Association [“TxOGA”], having been elected to the Governing Council of the Oil, Gas and Energy Law Section of the State Bar of Texas, and possessing a long and effective career in Austin, Sebree's legal knowledge and expertise is recognized and sought after at the state, national, and international levels.

    In 2012, Ben expanded his practice to financial services when he became a licensed Investment Advisor Representative.  He possesses a wealth of knowledge, experience, leadership, connections, and strategic planning abilities. 

    Ben attained a BA in English from the University of Texas at Austin and a Doctor of Jurisprudence from the University of Houston Law Center. Governor Perry appointed Ben to the Interstate Oil and Gas Compact Commission where he continues to serve. Ben holds a FINRA series 65 license


  • Jim Smarr

    Investment Advisor Representative

    Jim has been active in the Securities Industry for over twenty eight years; although his focus at Thornhill is on Institutional clients he’s also helped many Texas families and individuals over the years.

    As an avid angler, Jim serves as Texas State Chairman of The Recreational Fishing Alliance and has been at the forefront of supporting saltwater fisheries and recreational fishing rights for more than twenty years. Jim and his wife enjoy the quiet pace of life down in Fredericksburg, Texas. Jim holds FINRA series 6, 26, 63, 65, and 82 licenses


  • Scott A. Spencer, AIF®

    Managing Director

    Scott is the Managing Director at Thornhill Securities, Inc.  He has served in the financial services industry since 1994.   Prior to joining our team, Scott was formerly Principal, Vice President and Managing Director for investment firms providing various financial services needs including institutional and retail portfolio management, estate planning, wealth transfer, asset accumulation, operations and strategic planning.

    Scott has a Masters of Business Administration degree from the University of Houston and is an Accredited Investment Fiduciary (AIF®).  He holds a Series 7 – General Securities Representative; Series 24 – General Securities Principal; Series 6 Investment Company Products/Variable Contracts; Series 22 – Direct participation Programs; Series 63 Uniform Securities Agent State and Series 65 – Uniform Investment Advisor registrations.


  • Brian Propes, AIF®

    Chief Compliance Officer

    Since, beginning his career in the mid 1980’s as a securities regulator with the National Association of Securities Dealers, Inc. (NASD) (know FINRA), Brian has held key leadership positions as:

    • SVP Chief Operations & Compliance Officer
    • SVP – Strategic & Risk Consulting  
    • President & Chief Operating Officer  
    • President & Chief Marketing Officer 
    Securities Service Network, Inc.

    Securities Consultants International, LLC

    NFP Securities, Inc. (NFP Advisor Services, LLC)

    Brokers International Financial Services, LLC

    Brian holds the designation of Accredited Investment Fiduciary (AIF®).

    He currently holds active industry licenses:

    • 6 – Investment Company and Variable Contracts Exam
    • 63 – Uniform Securities State Law Exam
    • 7 – General Securities Representative Exam
    • 24 –  General Securities Principal Exam
    • 66 – Uniform Investment Adviser – Combined State Laws Exam

    In 2004 Brian completed the 3 year Leadership Development program offered by the Securities Industry Institute through The Wharton School at the University of Pennsylvania.

    He attended the University of Alabama Huntsville where he majored in Finance. 



  • Diane Goodin, FINOP


    Diane Goodin, FINOP Diane Goodin graduated cum laude from Texas A&M University in College Station, TX in 1994, with a Bachelor’s Degree in Accounting. She worked as a CPA® in good standing in the State of Texas for 20 years. In 1998, Ms. Goodin became licensed as a FINRA (then NASD) Series 27 Financial & Operations Principal (FINOP). During her tenure as an independent FINOP, Ms. Goodin has provided regulatory compliance and consulting to over 40 broker-dealer firms across the United States.


  • Jerry Chapman, CFP®, AAMS®

    Investment Advisor

    The primary focus of Jerry’s practice is helping baby boomers, small business owners, and retirees receive more income, accumulate more growth, pay less tax, and leave more money for loved ones. His designations include CERTIFIED FINANCIAL PLANNER™ (CFP®) and he earned a bachelor’s degree in engineering from the University of Texas at Arlington. Jerry is an active member of the Austin Chapter of the Financial Planning Association (FPA).

    Before transitioning to financial services, Jerry enjoyed a long and successful career at IBM where he held a number of management positions in engineering and finance. He has resided in Austin since 1975 where he lives with his wife, Jonelle Miller-Chapman, a retired Leander ISD teacher. He has two children and two grandchildren. He is a member of the Rotary Club of Cedar Park and serves as a bi-vocational priest at St. Matthew’s parish in Austin. In his time off, he enjoys cycling.


  • James LeBas

    Investment Advisor Representative

    James LeBas is an Institutional Advisor and a consultant on Texas fiscal matters.  Mr. LeBas was previously director of financial analysis for the Perry-Sharp Tax Reform Commission, during which time he was also chief financial officer for the Texas Water Development Board.  LeBas also served as the state’s chief revenue estimator for state Comptroller Carole Rylander and served in the administrations of Governors Richards and Bush.  James received his Bachelor’s degree and MBA® in 1983 and 1985, respectively, from the University of Texas. He and wife Susan have two daughters, ages 25 and 26. James holds FINRA series 65 and 82 licenses.


Recent blog


At Thornhill Securities, we believe asset allocation is the key driver of portfolio returns that result in long-term growth. This conviction is based not only on our own experience, but also on findings demonstrated in researchpapers by leading financial authors, including Ibbotson and Brinson.


Vision and Mission

Our vision is to provide a superior broker-dealer and investment advisory platform for financial advisors serving the wealth management and capital advisory needs of institutional and entrepreneurial-minded clients.
Thornhill Securities, Inc., is an independent broker-dealer, investment advisor and investment bank. We are guided by the following principles in our two primary market areas

Contact Us

Call Us: 512-472-7171
Email: info@thornhillsecurities.com

5906 Old Fredericksburg Road, Suite 201
Austin, TX 78749