Management
Kaiser-Battistone Team. From Left to Right: William Waite – Branch Manager, Demitri Mastrogianni – Plumbing Manager, William Hall – President.
William Hall, President
William Hall is the President of Kaiser-Battistone. He has been in the septic business for 32 years and has a B.A. Degree in Economics from St. Lawrence University. William managed Willard Mountain Ski Area in upstate New York and worked in the restaurant and catering business for 8 years. He currently holds a Connecticut Subsurface Sewage Installers License and a Westchester Co. Septic System Contractor’s license. He is the current Board Member of the National Association of Wastewater Technicians and a member of the State of Connecticut Subsurface Sewage Code Advisory Committee. He is also the chairman of the COWRA Education Committee and a former Chairman and current Board Member of the Better Business Bureau of Connecticut.
William Waite, Branch Manager
Billy has been in the septic industry for over 20 years, starting off working for a family business. In 2002, as a lead technician for Wind River, Billy was awarded the “Top Gun” award for his 100% customer satisfaction rate. 2007 was an exciting professional year for Billy as he was promoted to branch manager of Connecticut. Following the acquisition of Kaiser-Battistone in 2014, Billy began overseeing the daily operations of their pump truck division and is currently responsible for over 15 technicians. Billy prides himself on his relationships with his customers and counts his interpersonal skills as his best attribute. In his spare time, Billy enjoys motor-cross, karaoke nights, spending time with his family, and vacationing in tropical destinations.
Demitri Mastrogianni, Plumbing Manager
Demitri has been in the plumbing industry for over 23 years and is a graduate of Henry Abbott Technical School. After graduating, he began his career working for a local plumbing company where he completed his four year apprenticeship and earned his journeyman plumbing license. In 2012 Demitri earned his master plumbing license, which he holds in addition to a S1 heating and air conditioning license. Demitri is very determined and is always up for a challenge – the more difficult the job, the more satisfaction he reaps! He always puts the customer first and finds solutions for all problems. In his spare time Demitri enjoys socializing and spending time with his family at their summer home in the Mediterranean.
John P. O’Connell
John O’Connell is a co-founder and CEO of The Wind River Environmental Group of Companies, the largest provider of non-hazardous liquid waste services in the Northeast.
Founded in 1999 and headquartered in Hudson, Massachusetts, The Wind River Group of Companies has pursued a roll-up strategy and now services customers from Maine to New Jersey.
Mr. O’Connell holds a Bachelor of Science degree from Southern New Hampshire University and an M.B.A. from the McCallum Graduate School of Business at Bentley University.
Dave Kline, Vice Chairman
Dave Kline was born and raised in Salunga, PA, and was the 3rd generation to own and operate the family business. Through Dave’s vision and willingness to take calculated risks, Kline’s Services grew to become the mid-Atlantic region’s premier wastewater management service organization.
Kline’s Services joined The Wind RiverGroup of Companies in 2015.
Nathan Bernstein, Chief Financial Officer
Nathan has 19 years of waste industry experience and is a seasoned financial veteran with excellent industry knowledge.
Nathan’s prior experience includes key roles at Bedford Capital, Ponderosa Fibres, Clegg Industries, and PaineWebber. Nathan has a Bachelor of Arts in Chemistry from Cornell University.
Jack Bailey, Vice President Business Development
Jack has over 35 years of experience in the waste industry and possesses a significant amount of industry knowledge and expertise. Jack plays a key role in all business development and acquisition activities.
Jack’s prior experience includes key roles at Suburban Companies, Laidlaw Waste Systems and Browning Ferris Industries. Jack has a Bachelor of Arts from Boston University and also performed graduate studies at Suffolk University
Greg Seefeldt , Vice President Sales & Marketing
Greg’s experience comes from 15-plus years of high-level sales & marketing leadership within the dynamic/fast-paced business-to-business service industry, for companies such as NuCO2 and Cintas Corp.
Greg oversees the sales strategy for Wind River’s commercial services division, both local and chain. As we continue to rapidly expand our commercial customer base, Greg is leading the charge.
Greg holds a bachelor’s degree in business from The University of Buffalo.
Adam Beck, Vice President of Operations
Adam joined Wind River Environmental in 2015 following 25 years working in the Compressed Gas Industry where he worked as Field Service Technician, Branch Manager, Sales/General Manager and Operations Vice President for Airgas.
Adam is a veteran of the Navy and is a Graduate of Thomas Moore College, where he received a Bachelors in Business Administration.
