Dave Lisle – CEO, President & Member of the Board of Directors

Dave is responsible for defining business strategy, and supporting an impressive and highly motivated team of professionals dedicated to Treating Water Better.

Dave joined Silver Bullet as CEO in 2016. Before joining Silver Bullet, Lisle was the CEO of Instrument Sales & Service, Inc. (ISS), a diversified manufacturer, remanufacturer and value-added distributor of electro-mechanical service parts for the automotive, trucking, marine, and industrial equipment industries. Prior to ISS, Lisle was CEO of Wausaukee Composites, Inc., a premier manufacturer of highly-engineered structural composite components and product assemblies supplied to Fortune 500 customers worldwide in the off-highway, agriculture, medical, mass transit, wind energy, environmental, and recreation industries.

Dave has been a frequent panel speaker at regional and national business conferences on topics including water treatment, renewable and traditional energy, performance management, supply chain management, and regional economic development.  Dave currently serves on the Board of Directors for Quarles Petroleum, Inc., and is past-Chairman of the Board for Credit Coach Financial Services, and has also served as a Board Director for not-for-profit organizations, including Wisconsin Windworks, The New North, the United Way, and the Green Bay Workforce Development Board.  He was also an advisory board member for the American Wind Energy Association, a member of The Executive Committee (TEC), and the American Composites Manufacturer’s Association.

Dave earned a BS degree in Geology from Michigan State University, an MS degree in Geophysics from Louisiana State University where he was an Amoco Fellow, and an MBA from The Darden School at The University of Virginia.

Brad Walsh – CFO & COO

Brad is a corporate finance executive with 19 years of experience in building, leading, and advising corporations through complex integrations, growth initiatives, synergy savings and financial reporting for both the healthcare and manufacturing industries. He has strong financial planning and analysis expertise incorporated with extensive knowledge in both international accounting and SOX requirements. Brad is an excellent leader with a solid record of contributions resulting in improved financial performance, heightened productivity, and enhanced internal controls. Brad joined Silver Bullet in 2016.




Kyle Lisabeth – Director of Business Development Horticulture

Kyle’s devotion to sustainable water treatment technologies stems from his passion for the outdoors. Kyle has participated in and led river expeditions in such places as Alaska, Africa, Asia, South America and most recently, the Grand Canyon. After graduating from the University of Texas – Austin, Kyle gained five years of international water management experience, managing projects involving the treatment and reuse of municipal wastewater in the US and in Mexico, supervising agricultural wastewater treatment and beneficial reuse applications in various parts of Latin America, and overseeing the treatment of water in the oil and gas market. His focus on maintaining sound natural resource management practices is what led him to Silver Bullet in early 2014.


Tony Ruffini – Director of Science & Engineering

Tony Ruffini has 15 years of experience in water treatment design, testing, and consulting on agricultural, municipal, and industrial water process systems. Tony began his career as a staff engineer at Public Utility Management and Planning Services, Inc.  He then took on the responsibilities of the Pilots Manager/Lead Process Engineer at Parkson Corporation. In 2014, Tony was named Plant Manager for GS Inima USA Construction Corp.’s Hialeah, FL location. At GS Inima, Tony supervised the design, construction, and commissioning of a state-of-the-art reverse osmosis plant. He also managed daily operations, provided mechanical and process troubleshooting, and worked closely with regulatory and government entities.

Tony has been published in peer-reviewed industry journals including The IDA Journal of Desalination and Water Reuse, the technical journal of the International Desalination Association (IDA). Tony also has extensive experience presenting to both business and academic audiences on all topics related to water treatment.

A trained engineer and chemist, Tony holds a Bachelor’s degree in civil engineering and a Master’s degree in civil engineering with a focus on environmental process and water treatment, both from Florida Atlantic University.

to Silver Bullet in early 2014.

Bennett Buchsieb – Director, National Sales – Cooling Towers/Data Centers

Bennett Buchsieb has 20 years of experience in the water and wastewater treatment industry with a focus on HVAC, municipal, and industrial processes. Bennett has managed business development throughout North America for some of the most innovative water technologies using his skills to earn cooperation with private, public and regulatory clients. In addition to having experience with most treatments, he has worked extensively with advanced oxidation in water systems.

Bennett has a Bachelor’s degree in mechanical engineering as well as an MBA with an emphasis in technology management.