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CEO & Chairman of the Board

Mr. Housh is Plug Smart’s CEO and Chairman of the Board. Mr. Housh has successfully started, managed and sold numerous businesses over the past 40 years. These businesses were engaged in energy services, environmental management, security software, and monitoring and control technology and services. In developing these enterprises, Mr. Housh utilized a potent combination of entrepreneurism, traditional management discipline and high impact national alliances and sales programs to achieve extraordinary results.

In 2001, Mr. Housh sold Control Solutions, a company he founded and grew into a national $75 million in revenues business, to TAC/Schneider Electric, an $18 billion French company. Prior to selling Control Solutions to TAC/Schneider, in 1998 Mr. Housh sold fifty percent of the same business to DQE, Inc., a NYSE-listed energy utility. Between 1998 and 2001, Mr. Housh led, through the vehicle of Control Solutions, important elements of DQE’s national expansion in energy management and services. In 2001, Mr. Housh and his management team repurchased the fifty percent interest owned by DQE, thereafter further expanding and strengthening the business, culminating in the sale of Control Solutions to TAC/Schneider in 2001.

Mr. Housh has been a member of the Association of Energy Engineers and a Certified Energy Manager since the mid 80’s and has led energy auditing teams in over 500 commercial/industrial/institutional facilities. He also serves on numerous business and non-profit boards, including the Conservancy of Southwest Florida, the Southwest Florida Land Preservation Trust and the Rails to Trails Conservancy. After attending the United States Naval Academy, Mr. Housh completed his B.S. in Education from the Miami University in Oxford, OH.




Mr. Zehala is Plug Smart’s President and brings more than 30 years of general management, marketing, sales and operations experience to this role. Most recently, Mr. Zehala managed a business portfolio of early stage startup companies that provided business consulting services for entrepreneurs and business professionals.

Prior to 2004, Mr. Zehala served as Vice President of Sales and Marketing for Allegro Development, an energy management and technology company that helps corporations manage the production, purchase, transport, sale and consumption of natural gas, electric power, crude oil, natural gas liquids, refined products and coal. In this role, Mr. Zehala was responsible for leading the company’s worldwide sales and marketing efforts including new business development, customer relationship management, marketing communications, and business alliances.

Prior to 1999, Mr. Zehala served as a Manager with the Deloitte & Touche Consulting Group, one of the nation’s leading consulting firms for business strategy, operations, technology and process improvement. In this role, Mr. Zehala was responsible for helping electric utility companies and other clients implement mission-critical software applications allowing them to increase their operational efficiencies, improve their relationships with customers, and leverage information across the client’s supply chain.

Prior to 1996, Mr. Zehala served as a Director of Strategic Accounts, for Schlumberger Technologies, a leading manufacturer of automatic test equipment (ATE) for the global semiconductor industry specializing in analog, digital, memory, mixed-signal and wireless semiconductor devices. In this role, Mr. Zehala was responsible for leading the worldwide sales and marketing efforts associated with Schlumberger’s most strategic accounts.

Mr. Zehala is a Certified Energy Manager and earned a Bachelor of Science Degree in Electrical Engineering from The Ohio State University, and a Masters of Business Administration from the University of Texas at Austin.



Chief Operating Officer

Mr. Brennan is a seasoned executive leader with over 20 years’ experience in the building technologies industry. Mr. Brennan has developed and supported proven energy and automation programs across multiple vertical markets. His focus on strategic process development, continuous improvement, and operational efficiency has assisted companies deliver quality services and solutions.

Before coming to Plug Smart, Mr. Brennan served as the Vice President of Operations Evolve Controls, LLC, a hospitality guest room control company. Mr. Brennan was responsible for developing the service business line, operations/field management, and QA/QC for project implementation. Mr. Brennan provided executive oversite for strategic planning, the product development team, and external partner teams.

Prior to Evolve Controls, Mr. Brennan held numerous roles during his 15-year tenure with the Siemens Building Technologies division of Siemens Industry. These roles include sales, engineering, and service/installation for K12, University, Healthcare, Pharma, Government markets. He developed $3m+ in service and energy project work for his market segments along with managing established service obligations. Mr. Brennan had achieved multiple achievement recognitions for customer excellence and sales growth while being with Siemens.

Mr. Brennan served in the United States Navy as a Sea Bee “UT”, working with plumbing, heating, steam, compressed air, fuel storage, and distribution systems. Mr. Brennan has completed coursework in business administration and CCNA/CCNP certifications at Syracuse University and University of Maryland.



VP of Engineering

Mr. Papay is a Professional Engineer with BSME, MSME, MBA (finance concentration) and over 28 years of solid, wide-ranging experience in design engineering, construction, contract negotiation and administration, facilities, financial, and personnel management.  He has strong project management skills plus a proven ability to take projects from conception to completion on time and within budget.
Before working at Plug Smart, Mr. Papay was the Associate Vice President for Facilities Management and Services at Wright State University. His responsibilities in that role included overseeing four functional areas: Planning & Architecture, Engineering & Construction, the Physical Plant, Environmental Health and Safety, and approximately 180 employees.

Also in that role, Mr. Papay maintained a six-year capital plan with projects in the various stages of planning, design, and construction typically totaling $50 - $100 million and had an annual Maintenance budget of over $15M.

Notable projects completed include the new construction of a $37M Neuroscience Lab, new construction of $17M Classroom building and two Energy Performance Contracts totaling $36M. Earlier in his career, Mr. Papay worked as a design engineer in Columbus, OH and Indianapolis, IN.

Mr. Papay’s professional affiliations include American Society of Mechanical Engineers
(over 30-year member), ASHRAE member, registered Professional Engineer in multiple
states (Ohio, Florida, Indiana and Michigan), and LEED Accredited Professional since 2004.




Vertical Markets


Contracts Sold


Defaulted Contracts
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