John E. Demeter
John Demeter, President of Wesco HMB, Inc. has spent over 35 years in the fire protection industry – 15 years as President of R.C. Industries, a manufacturer of hand portable fire extinguishers, and 20 years as President of Wesco HMB, Inc.

John sits on the Board of Directors of the Halon Alternative Research Association (HARC), the Halon Recycling Corporation (HRC) and the Fire Suppression Systems Association (FSSA). He received his Bachelor’s degree in Government from Monmouth University and his Masters in International Affairs from City University of New York.

John is a passionate reader of history and politics, a gourmet cook wannabe and an avid cyclist. He can be found at the gym every day between 5:00 a.m. and 6:30 a.m. John and his wife, Patricia, have two children.



Dan Dempsey
Vice President

Dan has been with Wesco for over 25 years and is responsible for finance and operations. He was previously employed for 10 years with fire extinguisher manufacturer RC Industries initially as a Traffic Manager, then Production Planning Manager and finally the Operations Manager. Prior to that, he worked for General Foods for 10 years at their NY regional distribution center. There, he started as Warehouseman and moved up to Production Scheduler, then to Foreman, then to Warehouse Supervisor, and finally to Traffic Manager.

Dan attended Lafayette College and studied engineering. In his spare time, he enjoys being involved with youth sports programs in town, coaching recreational and travel teams in softball, soccer and basketball. But, most importantly, he enjoys just spending quality time with his family.



Shannon Esopenko
Vice President of Sales

Shannon has worked for Wesco for over 10 years and has taken on an increasingly important role in the company’s sales and marketing function. During Shannon’s tenure, Wesco’s position in the U.S. fire equipment distributor market has grown steadily. In her former position, she was responsible for the organization and building of Wesco’s sales territories and staff, in addition to directly covering the Western and Midwest states. Shannon was also responsible for the decision to open a new warehouse in West Harrison, Indiana which has increased Wesco’s ability to service accounts in the Midwest.

Shannon has overall management responsibility for Wesco’s domestic sales and marketing while continuing to assist with key accounts, setting the department’s goals and objectives, guiding and directing the sales staff, and direct the company’s marketing efforts.

Prior to joining Wesco in February of 2006, Shannon was a regional sales representative for FETN, responsible for selling satellite training for Fire Departments and EMS personnel in the Northeast. Before that, she worked for Chemguard, who was recently sold to Tyco. At Chemguard, Shannon originally held the position of Regional Sales for the Northeast but, due to her strong and successful run in creating new business for Chemguard, was promoted to Business Development for all 50 states. Her background includes attending Lambuth University in Jackson, TN, as well as Tarrant County College in Ft Worth, TX, studying marketing and economics. She and her husband enjoy family time with their blended family of six children. She also likes anything outdoors, especially football, and can be found on weekends with the game on! When she gets alone time, she can be found curled up with a good book.



Karen Zukarfein
National Sales Manager

Karen Zukarfein has been with Wesco for nearly 10 years working first as an Administrative Assistant, serving the President and the Vice President. Handling many aspects of the front office has helped her transition into the position of Regional Sales Manager. She is responsible for maintaining our valued current customer accounts and obtaining prospective new accounts.

Before she took this position, she was a stay-at-home mom of two daughters for many years and then began her career again working in the medical field. After changing jobs a few times to gain more experience, Karen eventually found Wesco.

On days off, you can find her on the beach with a good book and iPod. Family time is important, especially planning trips to see her daughter in the Air Force, currently stationed in Turkey.



Gabby Corrochano
Staff Accountant

Gabby joined Wesco in 2010 as a Staff Accountant. Her primary job is to assist the Vice President in matters relating to financial analysis. She is responsible for maintaining the general ledger system, providing assistance in completion of annual budgets, preparing monthly, quarterly, and yearly regulatory reporting, performing account analysis and reconciliation. After graduating high school, she joined the military and served in the United States Army for a total of eight years. She worked for Continental Airlines, first as a customer service representative, and then as a Ground Security Coordinator after the events of September 11th. Later, she attended Saint Peter’s College in Jersey City, NJ, where she obtained a Bachelor’s of Science in Accountancy and a minor in Business Law.

Gabby has been a member of First Friends, a charitable, non-profit organization dedicated to treating immigrants with dignity and compassion, and providing visitors and non-legal assistance for immigrants held in detention. Every year, she also makes it a point to participate in the Crop Walk to prevent hunger in the world, Relay For Life, and the Making Strides Against Breast Cancer Walk. Over the years, she has developed a love for cooking. Gabby spends a lot of time searching for new recipes that she enjoys preparing. In her spare time, she enjoys reading and just spending quality time at home.



Mark J. Buser
Operations Supervisor

As Operations Supervisor, Mark’s responsibilities include, but are not limited to, supervising the rebuilding and troubleshooting of fire suppression cylinders and production equipment, and providing the majority of technical support. He has been with Wesco for 10 years and is looking forward to many more.

Mark joined Wesco with 12 years of experience in the HVAC field, where he was a mechanic and lead technician skilled in installation, fabrication, service and maintenance of heating ventilation and air conditioning equipment. This is also where he gained his background in recycling, recovery and reclaiming of refrigerants. By attending and completing three years of technical school, he covered many aspects of the HVAC industry and obtained EPA, Puron, boiler, and NADCA certifications, to name a few. Mark is married and has four wonderful children who take up most of his time on the weekends.



Kari Buser
Editor of the Halon Herald

Kari is the editor of Wesco’s monthly newsletter, The Halon Herald, and is also responsible for the company’s social media campaigns. Over the years, she has helped to expand the quality and quantity of material provided in the newsletter, which covers numerous aspects of the fire protection industry. She spends each month scouring the web for new material to give the latest and greatest information to customers and friends of the industry and is always open to submissions, comments and questions from readers.

Before joining Wesco’s team, Kari worked for an internet marketing firm for six years; previous to that, she worked for The Asbury Park Press as an online news producer.

When you need a suppression system discharge, you need action and you need it fast.

Call Wesco on our 24/7/365 hotline at 1-(800)-433-1751

Wesco promises quick and reliable service, no matter what time of day or night, to repair and refill your system immediately.