Mark Johnson profile
David DuBois profile
Justin Dworak profile
MItchell Barthelemy profile
Andrea Pollari profile
Scott Horst profile

Mark Johnson


Founding STAR in 1993, and serving as the CEO, Mark remains passionate about providing customers with experiential marketing solutions that help them and their organizations achieve the highest level of performance. Mark’s strategic foresight and dedication to client success have propelled STAR to the forefront of the industry.

David DuBois

Exhibitor Group CEO

After an 11-year tenure as CEO and president of the International Association of Exhibitions and Events. David brings his vast exhibitions and events industry experience to Exhibitor Group. Formed in 1982, Exhibitor Group is the parent company of EXHIBITOR magazine, and CTSM, the exhibit marketing industry’s only university-affiliated professional certification program.

Justin Dworak

STAR President

Justin Dworak, an experienced industry leader with over 27 years with STAR, is passionate about fostering strong relationships and pushing innovation. He is the driving force behind STAR’s success in creating branded experiences across the world. With a creative background, his focus is on collaboration, customer experience, and marketing integration.

Mitchell Barthelemy


Mitch, a seasoned finance leader with over 15 years of experience in corporate finance and accounting, is a strategic thinker committed to driving growth. Beginning his career at Ernst & Young and KPMG, he excelled in accelerating close processes and streamlining AR/AP operations. Mitch brings a unique blend of financial acumen and legal insight.

Andrea Pollari

STAR Group Chief HR Officer

As a leader in organizational development, Andrea has empowered consistent growth in employees, teams, and businesses for over 25 years. She excels at creating intuitive solutions that drive substantial enterprise value via a holistic servant leadership style and integrated HR approach.

Scott Horst

STAR Group Chief Marketing Officer

Scott is a visionary leader with over 25 years of experience building and leading the B2B marketing efforts of both public and private companies of all sizes with demonstrated success driving brand and demand growth. Scott spearheads marketing initiatives and innovation that elevate STAR’s market presence and amplify client success.

Denise Winkler

STAR Vice President Operations

As Vice President of Operations at STAR, Denise specializes in operational excellence and market value growth through cutting-edge IT solutions and labor management. Her focus on streamlining processes and implementing distribution automation, backed by her twenty years of experience in the supply chain industry, drives substantial results in organizational leadership and efficiency.

Exceeding expectations

Founded on the principles of creativity, quality, and reliability, STAR is leader in creating engaging and immersive environments for events, trade shows, exhibits, retail, and corporate interiors – each tailored to meet the unique needs of their clients.

Renowned for its innovative designs, impeccable execution, and exceptional customer service, the company excels in translating ideas into visually stunning and impactful spaces.

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A key strength of STAR lies in its team of experienced and talented professionals.

From skilled designers and architects to project managers and craftsmen, the company boasts a diverse workforce dedicated to delivering excellence. Their collaborative approach ensures that every project is executed seamlessly, from strategy and conceptualization to installation and logistics, always meeting and exceeding client expectations.

Contact us today to learn how STAR can elevate your business.