Please come back and check on a regular basis as additional positions may open up at any time.
Charles T. Johnston
Founder & CEO
Charlie Johnston founded Select Artists Associates in 1967, just a year after graduating from Arizona State University and wasted no time making an impact, producing a Rolling Stones concert in 1969. Since then, he’s produced and booked marquee talent for professional sports teams, brand sponsors, and major event partners, working in more than 43+ stadiums nationwide, including Chase Field.
A pioneer in live entertainment for sports venues, Charlie developed custom roll-on, turf-friendly staging and mobile audio systems built for the fast-paced demands of game day. He personally negotiates performance agreements, oversees production service contracts, and guides booking strategies, bringing unmatched expertise to every event.
Charlie is a proud member of the International Entertainment Buyers Association (IEBA) and the American Federation of Musicians (Licensed Booking Agency). For him, success isn’t just about landing big names, it’s about delivering flawless shows and treating every partner with professionalism and respect.
Joe Castor
Vice President, Business Development & Marketing
With 40+ years in Sports Marketing, Joe’s career spans team-side roles with the Phoenix/Arizona Cardinals, San Diego Chargers, and Denver Gold (original USFL), and founding SportsCastor Marketing, Inc. (2002), which supported Spring Training partnership sales & fulfillment for the LA Angels (21 seasons), Oakland/Las Vegas Athletics (17 seasons), Chicago Cubs (5 seasons), plus relationships with all 15 Cactus League teams, municipalities, and Phoenix Rising (USL).
As Director of Marketing with the Phoenix Cardinals, Joe hired Select Artists Associates to produce concerts featuring Billy Ray Cyrus, Huey Lewis & The News, The Beach Boys, and Tears for Fears. Now entering his 2nd stint with SAA after a 16-year run (2002–2018), he delivered new on-field productions for MLB & NFL teams including the LA Angels (Big & Rich, Goo Goo Dolls, Kip Moore, Nick Jonas, Nelly), Milwaukee Brewers (OAR, Goo Goo Dolls, Joe Nichols), NY Mets (REO Speedwagon, Steve Miller Band, Heart, Styx, Foreigner), Oakland Athletics (Jordin Sparks), Washington Nationals (Big & Rich, Dierks Bentley, Martina McBride, Sammy Hagar, Third Eye Blind), and Arizona Cardinals (Black Eyed Peas, Three Doors Down, Daughtry).
Joe brings unmatched experience and passion for blending sports & entertainment, with a proven ability to build successful events that maximize ROI for sports properties.
Vice President, Staging Operations
With over 30 years in event production, Tom Gruetzemacher is the operational backbone of Select Artists’ mobile staging and show infrastructure. His career began in the hospitality and resort industry, where more than a decade with Hilton Resorts took him from shift engineer to Convention Services Manager, overseeing concerts, tournaments, and large-scale resort activations.
Tom moved full-time into live entertainment in the mid-1990s, working on high-profile events such as Super Bowl XXX (Tempe, AZ), the Fiesta Bowl, USA Baseball, the Arizona Cardinals (NFL), and the Phoenix Open (PGA). He also produced early Pro Bull Rider events and the Wrangler Rodeo Showdown series in Houston, Boise, San Antonio, and Phoenix.
Since joining Select Artists in 2001, Tom has led the technical and logistical operations that make each production safe, efficient, and broadcast-ready. From staging transport to crew management, his leadership ensures every show is on time, on budget, and built to perform.
Matt Kunz
Vice President, Event Operations
With more than 25 years of experience producing live events in stadiums, arenas, and large-scale venues, Matt Kunz brings tour-level precision to every production. Since joining Select Artists in 2005, he’s managed post-game concerts, sponsor activations, and touring performances, ensuring each runs seamlessly from the first advance to the final cue.
A former tour manager, Matt excels at advancing artist logistics, coordinating technical production, and keeping complex schedules on track. He’s known for building strong working relationships with artists, venue teams, sponsors, and production crews, aligning every department so the show runs on time, on budget, and to plan.
Before Select Artists, Matt spent 11 years at Ticketmaster, leading high-profile ticketing and venue integrations worldwide, including projects in London, Honolulu, and the 2004 Summer Olympics in Athens. This background in ticketing operations adds another layer of expertise to his live event strategy, making him a true cross-functional show operations leader.
Ed Jones
Vice President, Production
22 years in the television industry in the Tampa market, beginning as a Producer/Director, followed by Production Manager and moving up the ranks to an Executive Producer. Collaborating with station management, Ed developed many long running shows that were emulated outside the market. From 1988-1997, Ed performed as the Unit Manager and Technical Director for many national & international sports broadcasts for MLB, NCAA Basketball, Olympics, Professional Soccer, as well as the Associate Producer of the on-field Super Bowl Pre-Game Show for 20 years from 1986-2006.
Janice Evans
Administrative Assistant
Janice Evans has been a vital member of the Select Artists Associates team for over 35 years, bringing exceptional organizational skills and unmatched attention to detail to her role in entertainment production. She manages a wide range of administrative functions, including office operations, file and database management, procurement and support for the Marketing Department and the company’s Controller.
Before joining SAA, Janice served as Production and Editorial Assistant at a New York- based reprint publishing company, where she honed her proofreading and copy-editing skills while representing the firm at industry trade shows across the country.
Throughout her tenure, Janice has worked closely with clients, vendors and entertainment artists, contributing to the smooth execution of projects with professionalism and precision. Her long-standing dedication makes her an indispensable part of the SAA team – a true “team player.”
