Green Mtn. Concert Services, Inc. (GMCS) is a Northeast based company that provides best-of-class security solutions including: event security & crowd management; commercial patrols and protection; corporate risk management; and higher education event planning and consulting. Our Event Services Division provides solutions for any type and size of event with capabilities to handle; planning and management, security services, site production, admissions and parking. We also provide in-house or on-site beginner through advanced training in security, first aide & CPR, and production coordination and control.

Founded in 1995, GMCS cut its teeth providing Crowd Management at the Memorial Auditorium and Flynn Theater in Burlington, VT and at the Grateful Dead Highgate shows in 1994 and 1995 when 60,000 + people marched into a town of 3,397. After almost 20 years, GMCS security directors, event and production managers, and training staff have developed their skills in every type of venue and for every type of event.  

GMCS holds licenses in eleven (11) states. The following is a list of just some of the events we have provided security to:
	
•       ESPN Great Outdoor Games and Winter X Games
•	The Country Music Awards (CMA’s)
•	Salt (featuring Angelina Jolie) - movie
•	Taking Woodstock (featuring Demetri Martin and Ang Lee) - movie
•	Champlain Valley Fair
•	U.S. Open Snowboarding Championships (1999 – Present)
•	Newport Folk Festival (RI)
•	Plattsburgh Mayor’s Cup
•	First Night Burlington
•	Burlington Discover Jazz Festival
•	Bonnaroo (2002 – 2003 and 2008-2009)
•	All of Phish’s 60,000+ capacity music festivals
•	2007 Fed Cup at Topnotch Resort in Stowe
•	Gathering of the Vibes
•	Snoedown
•	Vermont Brewers Festival
•	Lollapalooza 
•	Lake Champlain Maritime Festival

Event Venues

Security

Green Mtn. Concert Services, Inc. (GMCS)

Green Mtn. Concert Services, Inc. (GMCS)'s headquarters in Williston, VT, United States

Kevin Cheney

Robert W. Sinkewicz

Reid Genauer

Allen H. Ostroy

The Security Team at Green Mtn. Concert Services, Inc. (GMCS) is dedicated to ensuring the safety and security of events across the Northeast, specializing in crowd management, risk assessment, and emergency response. Comprised of trained professionals, including security guards and operations managers, the team coordinates security strategies tailored to diverse events, from large music festivals to corporate gatherings. Their mission is to create a secure environment for attendees while maintaining the integrity and enjoyment of each event.

Security Team

The Finance and Accounting team at Green Mtn. Concert Services, Inc. (GMCS) is responsible for managing the company’s financial health and ensuring compliance with state and federal regulations. This team oversees budgeting, financial reporting, and cash flow management, while also handling payroll and vendor payments. Additionally, they provide strategic financial insights to support operational decisions and help optimize profitability as GMCS continues to grow in the event security industry.

Finance and Accounting

The Leadership Team at Green Mtn. Concert Services, Inc. (GMCS) is responsible for setting the strategic direction and operational excellence of the company. This team, comprising the President/CEO, CFO, and COO, works collaboratively to oversee financial management, ensure compliance with regulations, and drive innovative security solutions across a variety of events. They cultivate partnerships, enhance organizational growth, and ensure that GMCS continues to provide top-notch security and event services while maintaining high standards of safety and efficiency.

Green Mtn. Concert Services, Inc. (GMCS)

Org chart

Teams

Security Team

Finance and Accounting

Leadership Team

Offices

Green Mtn. Concert Services, Inc. (GMCS)

Org chart

Teams

Security Team

Finance and Accounting

Leadership Team

Offices

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