Management Team Bios

David Brown
Sabrient Founder, Chairman, and Chief Market Strategist

David Brown leads Sabrient’s quantitative research and portfolio selection process, and he led the design of Sabrient’s key ranking algorithms. He began his career as a NASA engineer on the lunar landing project, and later moved into the investment world where he has more than 40 years of experience employing his scientific approach to multifactor modeling. He is the former CEO of two public companies, including Telescan, Inc, a firm he founded and took public, and which is now part of TD Ameritrade. He has written several books on investing, and he serves on the Director's Council at the Kavli Institute for Theoretical Physics at the University of California, Santa Barbara. David holds a BS degree in engineering from the University of Pittsburgh and an MBA in finance from the University of Houston.

Scott Martindale
Chief Executive Officer and President

Scott Martindale has been on the firm’s leadership team since 2003 and guides company strategy, product development, institutional sales, business development, and client relations for both Sabrient and wholly-owned subsidiary Gradient Analytics. He also writes market commentaries, including the Sector Detector newsletter. He began his career as a structural design engineer with Chevron Corp, where he held various engineering, analyst, and management positions. Scott holds a Series 65 license and has BS and MS degrees in civil engineering from the University of Arizona, and an MBA from California State University-Hayward.

Raymond Chiarello, CPA
Chief Financial Officer and Chief Compliance Officer

Ray Chiarello has more than 25 years in the financial services industry.  He spent 12 years with KPMG, a Big Four accounting firm, performing financial statement audits for a variety of clients, including numerous public companies. After KPMG, Ray served eleven years as CFO for an outsourcing business acquired by GE Capital and later served as both CFO and CEO for an economic development holding company for the Ysleta del Sur Pueblo in El Paso, Texas.  In addition, he has worked for a number of years as a self-employed stock option trader. Ray is a Certified Public Accountant and holds a BS degree in accounting from Virginia Tech.

Jeffrey Brown
Director of Quantitative Research

Jeff Brown manages quantitative research for Sabrient and Gradient Analytics. He has extensive experience as an IT manager in several industries and multiple countries. Over the past 20 years he has served as senior manager either on staff or as an independent contractor for, among others, Dell, Deloitte Consulting, IDEAglobal, AMD, Administaff, National Western Life Insurance, the US Department of State, and the US Department of Defense. Jeff holds a BS degree in computer science from Texas A&M University and an MBA from the University of Houston.

Brent Miller, CFA
President and Director of Research, Gradient Analytics

Brent Miller oversees Gradient’s research process and manages the analyst team, as well as business development and client relations functions. He has served Gradient in various roles since 2003, including building qualitative, quantitative, and software-based equity research products for Gradient’s institutional clients. Brent is a Chartered Financial Analyst charterholder and earned undergraduate degrees in economics and political science and an MBA from Arizona State University’s WP Carey School of Business.

Kassandra Bentley
Director of Corporate Communications

Sandra Bentley is in charge of corporate communications. She is also one of Sabrient's founders. Her background spans more than thirty years in advertising, investor relations, and corporate communications. She is a coauthor, with David Brown, of four books on investing, including All About Stock Market Strategies (McGraw-Hill, June 2002). In 1997 she founded CyberInvest.com, which was named as one of the Web's top financial portals by Forbes and Fortune magazines. Sandra graduated summa cum laude with a BA degree in English from the University of Houston.