A sample of our projects



Enerpro Systems Corp.
351 Bewicke Avenue,
North Vancouver, British Columbia
Canada V7M 3E9

T: 604-982-9155
F: 604-982-9166
Free: 1-877-982-9155

Our People

Steven Roka Steven Roka,
CEO & Director
T: 604-982-9155 X 222
Email Steven Roka Email Steven Roka
Steven brings an award winning sales and relationship building background to Enerpro. He received a Bachelor of Business Administration in 1999 from Thompson Rivers University in BC, that included two years of environmental biology at Capilano University. With a career grounded in the financial industry, environmental interests took Steven to investment banking at the Kyoto Planet Group, and to found a clean tech, green grant relations company. Achievements in his sales background include Top Gun status at Xerox and multiple awards in health care sales. Steven lives an active lifestyle in North Vancouver with his wife and two pre-school children, where he practices sustainability to support a healthy environment for the future.
Geoff Mulligan Geoff Mulligan, B.Sc, CEM, MBA T: 604-982-9155 X 224
COO & Director Email Geoff Mulligan Email Geoff Mulligan
Geoff brings expertise that provides structure and standardization to Enerpro’s operation and finance teams. He completed a Master of Business Administration in 2012 from Royal Roads University and a Bachelor of Science, in Mathematics (1999) from the University of BC. Geoff’s background provides Enerpro strong leadership and strategic planning skills. His career in IT system administration and support, in addition to additional studies that include a Microsoft Office User Certification, enables Geoff to develop, maintain, and manage the internal systems including the customized meter billing and accounting services database. Geoff resides in North Vancouver with his wife and three children and he is passionate about educating others about ways energy can be conserved.
Rolf Paterson Rolf Paterson, B.Comm, C.A. (retired)
Principal & Director
Rolf provides expertise and leadership from his extensive career as a Chartered Accountant, and holding executive, senior management roles in real estate, property management, development and syndication, and asset management. Rolf's interests include: golf, badminton (former Canadian champion), and fishing, and he is a committed volunteer to many boards and associations.
R.B. (Bruce) Russell Bruce Russell, B.Comm.,
Principal & Director
Bruce has been actively involved in the real estate development and property management business for 29 years. In the latter capacity, some 10 years ago, the property management company of which he is a principal and president, recognized the benefits of properly managing the consumption of utilities in the buildings in their management portfolio. The Gulf Pacific Group's interest in energy management led to their introduction to Enerpro. Shortly after installing the Enerpro iEMS in a number of their managed properties, the proven bottom line and environmental benefits of the Enerpro "system" resulted in Bruce's decision to become a principal in Enerpro. He graduated from the University of British Columbia in 1966 with a Bachelor of Commerce degree, majoring in finance, economics and psychology. Born and raised in Vancouver, he has been active in a number of community endeavors including squash, minor hockey, sailing, the Cops for Cancer campaigns and most recently, as president of the Bowen Island Golf Club, and led the campaign to develop a public golf course on Bowen Island.
Paul Callon Paul Callon
Business Development
T: 604-982-9155 X 226
C: 604-317-4361
Email Paul Callon Email Paul Callon
Paul’s extensive experience in the energy industry, positions him to provide leadership in Enerpro’s business development. He was a founding partner and president of BC Comfort Air Conditioning Limited for 28 years, a well known and successful HVAC company; an active partner in a geothermal contracting business, and has also been involved in land development work. Paul served as president and a long term member of RACCA, is a former member of MCA and BOMA, and has been involved with charities such as Canuck Place Hospice and Delta Mental Health. Industry practices and technology have evolved throughout Paul’s long and successful career, and he now looks forward to offering lasting value through efficient energy management to both new clients, and to the many client relationships he has maintained throughout his career.
Dalibor Wiedermann Dalibor Wiedermann, LEED® AP, Ing.
(Slovak Republic)
System Architecture Designer
T: 604-982-9155 X 229
Email Dalibor Wiedermann Email Dalibor Wiedermann

Dalibor earned a Masters Degree in Electrical Engineering, with a focus in automation and control systems from the Slovak Technical University in Bratislava, Slovakia. He has more than 12 years of experience and knowledge designing and programming building automation systems, and has undertaken specialized training in automation, programming and green building design in Europe and Canada. Dalibor is responsible for project design and management at Enerpro. He works closely with customers performing diagnostics and responsive actions. His extensive background with leading automation product brands and varied components ensures quintessential design solutions for Enerpro’s customers. Dalibor enjoys North Vancouver’s extensive hiking and biking trails, and exploring the natural beauty of British Columbia.

Greg Callon Greg Callon
Energy Data Analyst
T: 604-982-9155 X 227
C: 604-202-7878
Email Greg Callon Email Greg Callon
Responsible for customer energy feasibility studies and analysis, Greg’s expertise leads audits that assess the efficiency, physical condition and programming of all mechanical systems in a facility. He brings knowledge and education in computer programming and database design, as well as practical experience in building management. His unique ability to make sense of complex data and show relationships, results and projections, in terms that are understandable, makes him a valuable asset to Enerpro’s team. Greg is an advocate for environmentally responsible living and supports initiatives that encourage conservation.
Subashini Liyanage Subashini Liyanage
Project Accountant
T: 604-982-9155 X 221
Email Suba Liyanage Email Subashini Liyanage
Subashini maintains Enerpro’s corporate accounting systems and manages customer property accounts. Her attention to detail and accounting management experience bring the value of energy management to the bottom line. Starting her CA education in Sri Lanka, she is now a Level 4 CGA in Canada, and has excelled in her work in the accounting field for more than 11 years. Suba enjoys sketching house designs and decorating, and spending time outdoors with her family.
Pardeep Longia Pardeep Longia T: 604-982-9155 X 231
Email Pardeep Longia Email Pardeep Longia
Control System Designer
Pardeep is a graduate of the Automation and Instrumentation Program at BCIT, where he received his Technologist Diploma. He believes that 'green' theories or abstractions are great but chooses to focus on the practical implementations of energy conservation; working at Enerpro Systems he is able to provide real world solutions for energy management issues using the latest technology. Developing new control strategies and solving meter communications issues, he is doing his part to help not only the local environment, but also the extended global community too. Pardeep is a staunch minimalist preferring to use transit or his own two feet to get around the lower mainland; he also prefers to eat locally grown produce. Pardeep is an avid hiker, spending his time off exploring new trails and climbing new peaks all over Southwestern British Columbia.
Grace Tang Grace Tang T: 604-982-9155 X 234
Email Pardeep Longia Email Grace Tang
Senior Marketing Administrator
Grace joins Enerpro with her experience in business development, project management and market research. Focusing on marketing and sales of Enerpro’s iEMS (integrated Energy Management System), targeting the potential market and tracking the market trends and policy update, Grace is also managing Enerpro’s web-based sales database, coordinating the internal team to create the energy solution for specific projects, and providing the graphic support for Enerpro’s events with clients and costumers. Grace obtained the MBA degree at UBC, with engineering and art education and experience in China before she moved to Vancouver. Grace loves the healthy lifestyle of the North Shore, and enjoys taking photos while hiking along the beaches and in the mountains.