our team

Mark Senior Jr.

Co-Owner, Event Coordinator, DJ/MC

Mark prides himself in going above and beyond for customers, creating the perfect experience for each event. He has had the pleasure to DJ for hundred’s of events, specializing in Weddings and Corporate Functions. His knowledge of music includes mixing in hits from the 70s 80s & 90s with current popular hits that keeps guests dancing all night long! Mark is the company’s mastermind behind the business, responsible for organizing functions with clients and perfecting every single event.

Eric Colantropo

DJ, Audio/Video Tech

Eric has an energetic, yet professional attitude in the entertainment industry who is always making customers smile. Eric enjoys his time by performing for the company at events, as well as a regular rotational spot at Pinz in Milford Massachusetts.

David Mojica


David is an important part of Jam Event DJs with his experience in not only top 40/open format song selection, but our go to DJ for Quinceaneras, along with our Spanish events that include the need for his deep knowledge of Reggaeton, Bachata, Merengue & Salsa. David enjoys his Friday night club residency at Pinz in Milford, providing a mix of top 40 hits, dance, remix, hip hop and Reggaeton.

Eric Gourene


Eric “DJ EClass” Gourene is one of Worcester’s popular Club DJs who is well known throughout the city for his on point precision of mixing all music. He currently holds a Friday night residency at Canal Restaurant & Bar, providing the crowd with a blend of Top 40, Dance, Hip Hop & Reggaeton songs. Eric is one of our friends in the industry that loves music, filling dance floors for years.

Robert Jachimczyk


Robert “DJ Bobby J” Jachimczyk is another one of our local friends who’s company, “Blackstone Canal DJs” is up and coming. He is very popular in the Worcester area, known for entertaining many private parties including Weddings, Anniversaries, School Functions and beyond. He is normally found mixing music at his residency of Union Tavern, along with surrounding Clubs on available nights.

Matt Jacobs


Matt is the owner of MJ Entertainment. He has provided sound and emcee services for the DCU Center in Worcester, along with the Buffone Arena for a number of years. He is a family-friendly DJ that has a great selection of radio edited songs, excells at karaoke (one of his favorite hobbies), and is a well seasoned DJ in the Wedding industry. He continues  to provide clients and couples with a very exciting experience.

CL I E N T   R E V I E W S
Read all of our wedding reviews on our JAM Event DJs Storefront at Wwlogo
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