Management Team

Dave Corey


Mr. Corey has been recognized for his proven expertise in growing and leading private and public technology companies for the last 25 years as a senior executive and entrepreneur at companies such as AT&T, Westell Technologies, Southern Bell, Daleen Technologies, Solicore and DaCo Solutions Group.

He has extensive experience in executive leadership; building successful private and public companies, raising private and public capital, leading organizations through a successful initial public offering (IPO), mergers/acquisitions, turnarounds and driving business results.

Prior to MARS, Mr. Corey held positions as Founder and President of Daco Solutions Group and President and COO of Daleen Technologies (NASDAQ: DALN), an enterprise software company.

Mr. Corey graduated from the University of Florida with a B.S. Degree in I.S.E. and an MBA from University of South Florida.

Michael Mastic

Vice President of  Test Bench and Software Systems

Since joining MARS Company in 2007, Mr. Mastic has been involved in over 300 Meter Shop facilities, assisting the Utility / Municipality / Private Organization in planning and developing Meter Testing Strategies.

Prior to MARS, he polished his technical, sales, management, training, and financial skills in High Tech Industries including Mainframe Computers, Data Center Operations, and telecommunications market segments for nearly three decades. He approached the Water Industry in the same manner, bringing logistics to assist in the development and planning of today’s modern Meter Shop Operations.

Mr. Mastic is a member of the AWWA and serves on the Water Meter Standards Committee since 2011. In addition to participating in several subcommittees, he is the current Recording Secretary for the Committee, a position he’s held since 2014.

Mr. Mastic earned a B.A. in Economics from Washington and Jefferson College, Washington, PA.

Jeff Butt

Vice President of Business Development

Jeff has been involved in sales and marketing efforts for over 20 years in various industries and has held executive sales positions for over twelve years. Prior to joining MARS, he has held positions with Curbell Plastics, SemMaterials, Atlas Genomics and Vice President of Sales and Marketing at Oldcastle Materials, one of the world’s largest materials manufacturers.

With extensive background in Polymers, Public-Private-Partnerships, Engineered Materials, Biotechnology and Building Materials Manufacturing, he has skillfully managed multiple sales teams & marketing initiatives to ensure their successful execution.

Jeff earned a B.S Degree in Business Administration with Honors from the University of Florida.

Julie Stewart

Director of Finance

Ms. Stewart has over 17 years of experience and an established proven record of achieving superior national and international results in manufacturing and financial operations. Prior to joining MARS, Ms. Stewart held positions as Controller and Senior Accountant at Custom Window Systems (window and door manufacturer), Odawa Casino Resort (tribal gaming and entertainment venue), De-Sta-Co Industries (automation tooling) and Continental Structural Plastics (compression molded plastic products).

Her experience in various industries has afforded her the opportunity to expand her financial expertise as well as earn a greater understanding of lean manufacturing processes, customer service, vendor relations and human resources.

Ms. Stewart earned her B.A. in International Business Administration from Alma College in Alma, Michigan.