The Greene County Chamber of Commerce Board of Directors announced two new directors have been named to the board effective July 1.

Zachary A. Collier, Ph.D., is president of Collier Research Systems, a consultancy providing decision making and analytics services. With over 10 years of consulting experience specializing in modeling complex decision problems, he has worked across multiple industries and on a number of topics, including logistics management, technology development, strategic planning, supply chain management, and risk analysis.

Marianne Shepard, with Edward Jones Investments, has lived and worked in Greene County for 15 years. She is passionate about serving the individual investor, utilizing an established process to build personalized strategies to achieve her client’s goals.

Stacy Griffith, chamber president, said, “The addition of Zack Collier and Marianne Shepard to the board will bring a wealth of business knowledge to the chamber of commerce so that we can continue to meet the needs of our business community, now and in the future.”

The Greene County Chamber of Commerce is dedicated to advancing the economic vitality and quality of life in the Greene County area so that the entire community shall prosper. All businesses in Greene County and surrounding counties are welcome to join. Just a few of the benefits include:

  • Enhanced visibility and profile for businesses
  • Networking and exchanging best practices with other business owners
  • Being an integral part of the community and its current and future success

For additional information about the chamber or to join, please visit or email The chamber is also on Facebook and Twitter.

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