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- About Us
David Brown, former NASA scientist and retired CEO of Telescan, Inc., is the founder of Sabrient. He provides the vision behind Sabrient’s quantitative research and the overall strategic direction of the firm. He designed the ranking algorithm for Sabrient’s portfolio stocks and makes the final qualitative selections for the portfolios.
David has more than 40 years of experience in the investment industry. He began his career at NASA as a project engineer for the lunar lander and went on to become CEO of two public companies. At Telescan, he designed and developed the critically acclaimed stock search program, ProSearch. (Under David’s leadership, Telescan acquired Investools, Inc. and Think or Swim, which were subsequently acquired by Ameritrade.) David has taught university-level finance and security analysis courses and has documented his investing expertise in several books, including All About Stock Market Strategies (McGraw-Hill, June 2002). 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.
Danny Vickers brings to Sabrient more than 30 years of experience as a chief executive officer with a background in finance, accounting, economics, and management. The companies he has headed provided information, software, and back-office services to Morgan Stanley, GE Capital, JP Morgan, Capital One, and many regional financial services companies. Danny was a CPA when he was the chief financial officer of several computer companies, but he no longer keeps his license current.
Danny also has extensive experience in community service has been in the areas of public education, economic development and environmental improvement. Current and past positions include the Dean’s Council, Gevirtz Graduate School of Education at UC Santa Barbara; President of the Paso del Norte Foreign Trade Association (El Paso, Texas); Commissioner for Colleges and Universities for the 21st Century for the State of Texas; Co-Chair of the Educational Summit for El Paso, Texas; Director of the Science & Technology Council for the State of Texas; Director of the Texas-Mexico Border Task Force for the State of Texas; and Co-Chair of the Paso Del Norte Infrastructure Collaborative that consists of 40 organizations from West Texas, Southern New Mexico, and Juarez, Mexico.
Danny holds a BBA degree in accounting and an MS degree in economics from the University of Texas, El Paso.
Vinh Tran has been an institutional money manager and adviser to High Net Worth investors for thirty years with global financial institutions, including Morgan Stanley and Bank of America. A published author, he has taught as adjunct professor at NYU’s Stern School of Business, Center for Global Affairs, and Schack Institute of Real Estate; and lectured at Harvard, Wharton and other institutions. Prior to joining Sabrient, he was managing partner of Pinehill Capital LLC, an investment and advisory firm in Greenwich, CT. Previously, he was Senior Vice President of Global Wealth Management and Director of Alternative Investments at Bank of America; Head of Global Fixed Income Group at Morgan Stanley; and Director of International Investments at Aetna Life & Casualty.
Vinh's areas of expertise include managing global investments, Long/Short equity hedge funds and alternative investments. His performances earned high acclaim from Fortune, New York Times, and other publications, He has extensive experience in developing and applying quantitative algorithms for security selection, asset allocations, portfolio construction, downside risk assessment and control, and hedge fund evaluation and ranking.
Vinh is the author of several investment books, including Market Upside Down: How to Invest Profitably in a Shrinking Economy (NY: FT Press/Wharton School Publishing, 2010) and Evaluating Hedge Fund Performance (John Wiley & Sons, 2006). He has PhD and MBA degrees in finance from The George Washington University, and graduated magna cum laude with BA degrees in business administration and political science from the University of Dalat, Vietnam.
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.
Brent Miller has served Gradient in various senior-level capacities since 2003 and has extensive experience in both fundamental equity research and forensic accounting. As an equity analyst, Brent focused on uncovering earnings quality risks factors that indicated a greater likelihood of share price underperformance for both domestic and international companies. Brent’s work experience also includes building qualitative, quantitative, and software-based equity research products for Gradient’s institutional clients. In his current role, Brent is responsible for overseeing all aspects of Gradient’s research process and managing the analyst, business development, and client relations functions at Gradient.
Brent earned an MBA from Arizona State University’s WP Carey School of Business and holds undergraduate degrees in Economics and Political Science from Arizona State. He is a CFA charterholder.
For over 30 years, Scott Martindale has been an experienced trader of stocks, options, and ETFs. At Sabrient, he is heavily involved with product development, including models for ETFs, UITs, and structured products, quantitative portfolio strategies for hedge funds, and actionable content for discount brokers. He plays a major role on the qualitative review team of portfolio product selections. He is also in charge of institutional sales for Sabrient and covers a large global region on behalf of subsidiary Gradient Analytics’ forensic accounting research.
Scott writes the weekly Sector Detector market letter for Sabrient’s blog and other syndication websites. His prior experience includes operations management, strategic planning, engineering design, and consulting, including various technical, analytical, and managerial positions with Chevron Corp.
Scott holds BS and MS degrees in civil engineering from the University of Arizona and an MBA from California State University-Hayward.
Director of Research - Gradient
Nicholas Yee has substantial experience within the equities market as a fund accountant in the mutual and hedge fund industries. At Gradient, he focuses primarily on the technology and industrials sector with an emphasis on earnings quality and tax-related issues as a forensic accountant/equity analyst. Nick has done significant work and is an expert with relation to tax profit shifting and international tax law. He has published numerous highly regarded Issue Commentaries about publicly traded companies and their strategies to shift profits overseas.
Nick is licensed as a Certified Public Accountant in the state of Arizona. He received a BS and a Master of Accounting with a Tax designation from the WP Carey School of Business.
Jeff Brown manages the technical product development for Sabrient and Gradient Analytics. He has extensive experience as an IT project manager in several industries and multiple countries. Over the past 20 years he has served as project 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.
Rick Hoselton is in charge of Sabrient's IT operations. He has 40 years of experience in information technology, both as a software developer and software development manager. He began working with computers in 1968 as a student at Creighton University, in Omaha Nebraska. He was with Telescan, Inc. for 14 years, nine of which were spent managing Telescan’s Host Development Group. Most recently, Rick spent five years as a consultant and software developer for the Citadel Investment Group in Chicago.
Sandra Bentley is in charge of corporate communications. She also one of Sabrient's founders. Her background spans more than twenty 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.