David Zenthoefer

Chief Executive Officer

David Zenthoefer has worked in the Industrial markets since graduating from the University of Tulsa. He spent his first 7 years working for Hilti advancing thru multiple sales and sales management roles on the west coast. David started in Phoenix as an Account Manager before moving back to Tulsa to be a Corporate Trainer. Next, he moved to Portland, OR as a Regional Sales Manager before being promoted to the Southwest USA Division Manager based in Irvine, CA. In this capacity David managed the entire SW USA sales, services and engineering resources for Hilti, Inc.

In 2006, David moved back to Tulsa to join MIRATECH as the Director of Sales. He was promoted to VP of Sales and Marketing in 2009. In 2014 after integrating the latest acquisitions in Minneapolis and Winnipeg, David assumed the role of EVP for Sales, Marketing, and Service. In 2017, MIRATECH was acquired by Argonaut Private Equity and David was named CEO.

David has his BSBA in Marketing and Economics from the University of Tulsa and his MBA in International Marketing from the University of Tulsa as well.

Doug Janes

Chief Financial Officer

Mr. Janes has spent his entire 20 year accounting and finance career in Tulsa, Oklahoma. His role as Chief Financial Officer at MIRATECH includes providing strategic direction through management of all financial policies and functions and also includes oversight of MIRATECH’s manufacturing operations.

Prior to joining MIRATECH, Mr. Janes has held several senior level accounting and finance positions. After starting his career in public accounting, Mr. Janes went on to Controller positions with a Tulsa SaaS start-up serving the oil and gas industry and then with a Tulsa based E&P operator. As CFO and co-founder of Best Well Services, LLC, an Oklahoma based oilfield services provider, Mr. Janes helped grow the company from a start-up to nearly $40MM in revenues and 260 employees while leading the company to be named to Inc. Magazine’s annual Inc. 500|5000 list of fastest growing private companies twice.

Mr. Janes holds a B.S. in Accounting from Illinois State University along with Certified Public Accountant and Chartered Global Management Accountant certifications.

John Sartain

Senior Vice President of Engineering and Product Development

Mr. Sartain has over 18 years of experience in the emission and exhaust industry during his time with MIRATECH. He is responsible for managing application engineering, design engineering, product development, software engineering and the MIS departments. Additionally, Mr. Sartain is responsible for managing the development and integration of the proprietary software system designed for emission and sound system sizing and proposal generation / maintenance, as well as managing the transition of product improvement and introductions from product development through production and sales. Mr. Sartain holds a B.S. in Mechanical Engineering from the University of Tulsa.

Nick Detor

Division Sales Manager Power Generation

Mr. Detor has worked at MIRATECH for 14 years and has 30 years of experience in the emission and exhaust industry. He is responsible for coordinating the efforts of the Power Generation Sales team, driving revenue , reviewing project costs, and corresponding with customers. Prior to his role with MIRATECH, he worked at Stewart & Stevenson Services as a sales and service representative in the Power Generation division and was responsible for new product and service sales. Mr. Detor holds a B.S. in diesel power technology from the Oregon Institute of Technology.

Steve DeCicco

Chief Operating Officer – OEM Catalyst Manufacturing

Steve DeCicco is MIRATECH’s Chief Operating Officer responsible for engineering, manufacturing, product development, project management and field services of EmeraChem (OEM) Catalyst product line at MIRATECH-Knoxville operations.

Steve has spent his career successfully building technology start-up companies, commercializing technologies, forming and directing plant design engineering departments, and executing capital projects for the chemical, oil and gas, and pharmaceutical industries.

In 2001 Mr. DeCicco joined EmeraChem LLC—a technology company offering an expanding family of commercial catalyst products, including the lean NOx trap catalyst technology. He advanced from Director of Operations to V.P. of Operations to Chief Operating Officer. As operations leader and the senior engineer in the company, he has been involved in all aspects of product development, engineering, project management, purchasing, manufacturing and field service. His accomplishments include the design, testing, scale-up, and commercial demonstration of several catalyst technologies operating on conventional and alternative fuels.

Prior to EmeraChem, Steve served at the Oak Ridge National Laboratory, the U.S. Synthetic Fuels Corporation in D.C., International Technology Corporation, Thermatrix Inc., and QualPro, a process improvement company.

He received his master’s degree in chemical engineering from MIT and a bachelor’s degree in chemical engineering from NYU. He holds four U.S. patents, has authored chapters in two McGraw-Hill handbooks and numerous publications, and has taught technical courses and seminars around the country.

Shawn Bailes

Chief Financial Officer – OEM Catalyst Manufacturing

Mr. Bailes is an East Tennessee native holding a variety of finance and accounting roles in diverse industries. His role as CFO of OEM Catalyst Operations at MIRATECH-Knoxville includes providing operational finance, accounting, and reporting oversight for catalyst operations and supporting the MIRATECH Group CEO and CFO.

Prior to joining MIRATECH, Mr. Bailes held several senior level accounting and finance positions. After starting his career in information technology, Mr. Bailes went on to corporate accounting management positions at Kimberly-Clark Corporation and then on to plant operations financial management. At Siemens HealthCare, Mr. Bailes spent several years as a controller supporting radiopharmaceutical production, preclinical imaging and biomarker research. Since 2012, he has been a financial executive at Knoxville Catalyst Operations.

Mr. Bailes has a bachelor's degree in finance from the University of Tennessee, Knoxville.

Jonathan Roberts

Division Sales Manager International & Rail/Marine

Mr. Roberts brings 30 years of experience in the emission control, engine, and silencing industries serving both domestic and international markets. His 11 years' experience with MIRATECH has made him a trusted and valued resource in the Power Generation, Rail and Marine communities. Customers rely on his knowledge in current and future industry and regulatory trends. Mr. Roberts will be responsible for growing MIRATECH’s international footprint by increasing sales and channels throughout the world. In addition to the international markets, he will also be responsible for growing the Marine and Rail markets using the expanded MIRATECH product lines. Mr. Roberts holds both a B.S and M.E. in Mechanical Engineering from the University of Louisville.