Corporate Events Management Team

Our corporate events management team has a strong background in providing the best live event technology from lighting, audio, video, rigging, and staging to your special event, worldwide. We operate with a solid sense of business integrity, combined with the expertise in corporate markets and trade exhibition operations, that creates a foundation of trust and credibility that is essential in delivering the specialized products and services necessary to execute your technical production.

  • John Wolf
  • Jens Zimmermann
  • Don Hardenstein
  • Tom Berberet
  • Rodney Brannon
  • Matthew Carson
  • Jim Kelley
  • Orestes Mihaly

John Wolf

Senior Vice President, PRG Services

John helped co-found PRG in 1984. Since joining the company, he has managed the implementation of many of its most important projects in the car show, trade show, corporate event, and special event markets. His major projects have included the medals presentation plaza for the 2002 Winter Olympics, exhibits and press events for Ford, General Motors, Mazda, Mercedes-Benz, and Toyota, corporate events for GlaxoSmithKline, Coca Cola, Hewlett Packard, and Phillip Morris, trade show exhibits for Nike and Avaya, road shows for State Farm Insurance and the Marlboro Adventure Team, and numerous theme park attractions for Universal Studios, Disney, and other theme park operators.

Based in PRG’s New Windsor scenic operations, John enjoys solving very difficult production challenges. His extensive experience enables him to borrow techniques from a wide range of markets and applications in developing his solutions. Prior to joining PRG, John was a logistics consultant at McLean Industries.

John has a bachelor of science degree in Mechanical Engineering from Kings Point Academy.

Jens Zimmermann

Global Sales Officer

Don Hardenstein

Vice President, Sales Operations

Don Hardenstein is based out of the Atlanta office, but works throughout the global corporate staging and trade show markets, providing sales operations support to the entire PRG sales team.

Don has over 35 years of experience in the meetings, trade show and corporate events industry. He began his career in 1980 as a Convention Sales Manager for the Metropolitan New Orleans Convention and Visitors Bureau. In 1990, Don joined GES Exposition Services as Director of Sales of the New Orleans operation.  In his ensuing 17 year career with GES, he served as VP of Sales Administration and Regional VP of Sales for the Las Vegas and Chicago operations.  Don joined the PRG team in 2009 as Director of Sales Administration for the Global Corporate & Trade Show team.

Don graduated from the University of New Orleans School of Hotel, Restaurant and Tourism Administration in 1980. He holds a BS in Business/Hotel Management.

In his spare time, Don enjoys traveling and spending time with his wife, Nancy, and children, Taylor and Kaylee.

Tom Berberet

Vice President of Sales, Northeast Region, Corporate & Events Group

Based in PRG’s Chicago office, Tom Berberet comes to PRG from PSAV Chicago where he served as Director of Event Technology for the PSAV office at the Sheraton Chicago Hotel.

Tom joined PSAV in 1987 and has held roles of increasing responsibility through the years, including Warehouse Tech, Video Technician, Assistant Director and Director of Entertainment Technology. In his role with PRG, Tom is focused on multi-discipline corporate event and trade show business originating in the Chicago area.

Rodney Brannon

Vice President, Builder Channel Sales

As a Director, Global Accounts with PRG’s Corporate & Trade Show Services national team, Rodney is passionate about growing the Exhibit and Trade Show Market relationships with PRG.  Based out of PRG’s Atlanta office, Rodney holds a BA in International Marketing from the University of Georgia, Terry College of Business.  His 14+ years of experience in the event staging industry includes operational and management experience as well as over 8 years in Sales.

Rodney's tenure in operations gives him the insight needed to anticipate and meet clients' presentation requirements. He strives to provide unparalleled value-added service and meet his client’s aesthetic as well as fiscal expectations. Rodney is actively involved in EDPA and has served on the SE Chapter Board for the past 7 years.

While away from the office, Rodney enjoys fly fishing, golf, and traveling.

Matthew Carson

Chief Executive Officer, Corporate & Events Group

As CEO of Corporate and Events for Production Resource Group (PRG), Matthew Carson leads event and production solutions services for tradeshow organizers and exhibitors, corporate events, conventions and special events. Carson joined PRG in 2009 as an account executive specializing in creative agency sales and four years later was asked to lead the channel sales team that services PRG's agency customers. Carson was promoted to chief executive officer of the group in 2018..

Carson brings a deep background in technical production, sales and operations to his role and has the experience to leverage PRG's entertainment technology product suite to evolve the events industry. Prior to joining PRG, Carson was director of operations and then president of The FX Group, an Emmy award-winning scenic design and fabrication company, specializing in the corporate meeting and broadcast markets. Before that, Carson was co-owner of Odyssey Creative, a production company focused on meetings and digital media. Additionally, he has experience as a freelance technical director and producer for the corporate meeting market.

Carson studied theater at the University of Wisconsin, as well as at Florida State University where he received a Master of Fine Arts in Technical Production. After receiving his graduate degree, he spent two years teaching theater at The University of Central Florida in Orlando.

Jim Kelley

Vice President, Industry Relations/Association Channel Sales

In his role as Vice President, Industry Relations for PRG, Jim is actively engaged in leading the company’s sales team and industry relation efforts while also effectively managing a portfolio of events.

Jim is committed to supporting the professional growth of the industry and participates in PCMA both locally and nationally. He serves as Co-Chair of the PCMA Education Conference Task Force and is a member of the and Director of Education for the PCMA Capital Chapter Board of Directors. In 2014 he was honored by the PCMA as the “Distinguished Service Professional of the Year." Additionally he serves as as a Board Trustee of the Incentive Research Foundation and chairs their Education Committee. Internally he was honored in 2015 with PRG Presidents Award.

His ability to effectively align the needs of his clients’ events with their strategic organizational goals while understanding the nuances and trends of the meetings industry makes him a valued partner.

Orestes Mihaly

Vice President, PRG Services

Aside from PRG’s founders, New Windsor based Orestes Mihaly has the distinction of being with PRG longer than any other employee, and has witnessed first-hand the company’s tremendous growth in the entertainment technology industry.

Orestes began his career in theatre working at Westport Country Playhouse in Westport Connecticut in1982. He majored in technical theatre at SUNY Binghamton and worked for some time at the Brooklyn Academy of Music. During a summer internship at Theatre Now, Orestes met one of PRG’s founders, Jere Harris, and later called him up to look for a job. Told to show up immediately at the shop, Orestes began building sets for Broadway during the day, and working as an IATSE stage hand at night. Over the years working at what was then called, Scenic Technologies, Orestes transitioned into other areas of the operation as diverse as payroll, accounting, project management, CNC programming, and supervisory roles in logistics, scenic shop Forman and General Manager. Currently Orestes works as Vice President of PRG Services which handles production management and service integration for corporate and special events. Orestes sits on the Entertainment Technician Certification Council (ETCP), The Entertainment Services and Technology Association’s Board of Directors (ESTA),  and is an active participant of the ESTA Technical Standards Program’s Rigging Working Group.

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