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The CANDU Owners Group management team, led by President and CEO Fred Dermarkar, provid​es leadership in four lines of business:  Research and Development (R&D), Joint Projects and Services (JP&S), Information Exchange (IE) and Nuclear Safety and Environmental Affairs (NSEA). Members and Supplier Participants work together through COG in each of these areas to create excellence and innovation in nuclear operations and projects. As well, COG has an experienced corporate team in Business Services and Finance as well as Information Management and Technology. ​

Fred Der​markar
President & Chief Executive Officer

Fred Dermarkar assumed the role of the CANDU Owners Group (COG) President and CEO in 2014. He has worked in the Canadian nuclear industry since 1981, and has held a variety of positions at Ontario Power Generation in support of Design, Commissioning, Operation and Refurbishment of its CANDU NPPs. In 2001, he became Director of Engineering and his responsibilities included other technical areas such as Chemistry, Metallurgy, Nuclear Safety Analysis and Probabilistic Risk Assessment.

In October 2013, Fred was named a recipient of the WANO Nuclear Excellence Award for his leadership and contributions to the overall WANO Post-Fukushima Response.

Fred retired from OPG as the Vice President of Engineering Strategy in February 2014 to assume his current role. Fred is a graduate of the University of Toronto with a degree in Mechanical Engineering.​


Rod McIvor
Treasurer & CFO

Rod McIvor has served as Treasurer and CFO of CANDU Owners Group (COG) since May 2009. He joined the company as a Business Administrator when COG was situated within Ontario Hydro. During his time with the company he has also served as acting Manager of COG and chaired the restructuring committee through COG's transition into an independent not-for-profit corporation.

Rod graduated from McMaster University Business School with an Honors Bachelor of Commerce. He has also held a variety of business and finance roles in oil & gas industry at Shell Canada and Ontario Hydro within Generation Projects, Engineering & Construction, OHNuclear organizations. 



Carmen Trandafir

​​​​Manager, Information Technology & CIO

As manager of information technology (IT) and chief information officer, Carmen Trandafir brings more than 27 years of IT experience and leadership to the CANDU Owners Group (COG). 

Since joining COG in 1999, Carmen has developed the information management department to align business and IT strategies. She leverages technology to transform business processes. Carmen and her team focus on creating and maintaining reliable and secure IT infrastructure to meet COG's corporate needs and to help COG members and suppliers to collaborate efficiently. 

A team player and advocate for building relationships, Carmen is passionate about people development and constructing skilled and dedicated IT teams. Carmen is also a certified project manager. She is accredited by the ITIL Foundation and has a university degree in computer science.


Macit Cobanoglu
Director, Joint Projects & Services Program

Macit Cobanoglu joined CANDU Owners Group (COG) in 2014 as the director of joint projects and services (JP&S) with a mandate to support COG-member nuclear utilities towards achieving excellence in performance of their CANDU reactors. Since joining COG, Macit has led his JP&S team in a number performance improvement initiatives.

Prior to joining COG, Macit was the VP of nuclear strategic business unit (SBU) at AECON, responsible for operational, business development, strategic planning, finance and administration. He also held the position of VP of CANDU services at AECL where he led a team in the development, marketing, sales and delivery of a variety of CANDU technical solutions, worldwide. He was a board director for the Canadian Nuclear Association (CNA), 2012-2014.

With more than 35 years of experience in the nuclear industry, Macit was awarded the Robert W. Angus medal by the Canadian society of mechanical engineering for his contributions to the management and practice of mechanical engineering in Canada. He is also the first AECL employee to receive an Ontario Hydro new technology award.​


​​​Mike Brett
​​​Director, Research & Development Program

As Director of Research and Development, Mike Brett oversees the department responsible for managing a portfolio of projects in six streams of R&D, with an investment of almost $40M, annually. The result of these projects contributes to the safe, reliable, cost effective continued operation of CANDU stations worldwide.

Prior to joining CANDU Owners Group (COG)​​​, Mike spent more than 26 years with Ontario Hydro / Ontario Power Generation in Chemistry control / corrosion in positions of increasing responsibility including Manager of Chemistry and Environment at Pickering Nuclear and Manager of Chemistry, Metallurgy & Welding in Corporate Engineering. Prior to Ontario Hydro, he held research fellowships at both the National Research Council and Canmet in Ottawa. Mike has a BSc and PhD degrees from the University of Birmingham (UK) and is a member of the Chemical Institute of Canada, the Royal Society for Chemistry and is a Chartered Chemist.


Don Wilson
Director, Information Exchange Program

Don Wilson is the Director of Information Exchange for the CANDU Owners Group (COG) Inc. COG’s mission is to promote excellence in operation through collaboration with CANDU members across the world. As the Director of the Information Exchange (IE) department, the goal is to leverage operational experience and best practices across the industry and among CANDU utilities so that each member and supplier participant can make the most of shared operating experience and best practices. Knowledge Management is one of the Programs that is specifically designed to capture lessons learned, promote understanding of the CANDU technology and provide leadership training to the CANDU community. Another key program under IE is the COG Supplier Participant Program that is to share supplier perspectives, best practices and lessons learned, compile messages on common challenges in execution of services for customers, engage with customers and resolve common issues for the benefit of the industry, and finally to work collaboratively to ensure a strong supplier network supporting the CANDU nuclear industry.

Don joins COG with 33 years in the Nuclear Industry with OPG. During his 33 years he held several key positions in Engineering. The last position he held was the Director of Engineering for Inspection & Maintenance Services (IMS) reporting to the VP IMS & CNE. This entailed leading a highly specialized team of engineers and technicians in the design, commissioning and execution of various inspection campaigns in support of safe and reliable operation of Pickering and Darlington. Don graduated in 1980 with a Bachelor of Science in Engineering from University of Guelph.​

Rachna Clavero
Director, Nuclear Safety & Environmental Affairs Program

Rachna Clavero is the incoming Director of Nuclear Safety and Environmental Affairs at CANDU Owners Group. In this role, she oversees facilitation of industry alignment on key nuclear safety and regulatory issues, and promotes adoption of common strategies among the COG Members.
Rachna has had a diverse career in Safety Analysis and Licensing. She has worked for Atomic Energy of Canada Limited, Candesco Corporation and the Ontario Ministry of Energy. She began her career performing safety analysis for the restart of the Ontario reactors and then moved on to regulatory projects for Iter Canada, NWMO, OPG and Bruce Power. Rachna returned to AECL to lead licensing for new CANDU designs. During her time at the Ministry of Energy she provided strategic advice on nuclear new builds, refurbishment, radioactive waste management and emergency planning in Ontario.  Rachna joined COG in October 2015, where she has been the Program Manager for the Strategic R&D Program. She has consulted internationally at the IAEA and sits on the committee developing Nuclear Safety Standards at the Canadian Standards Association.

Outside of COG, Rachna volunteers as a regional judge for FIRST Robotics and is a member of Women in Nuclear.

Bernice Brooks​
Executive Assistant/Manager, Office Services​

Bernice Brooks began her career at COG in 1999. ​Her prior experience includes positions in the life insurance industry and payroll for Toronto Transit Commission (TTC). Today, Bernice wears many hats at COG. Her role consists of assistant to the President, Office Manager and Payroll/Benefits/Pension administrator. ​