About Our Lawyers

Fred D. Cass

Fred D. Cass is Co-Chair of A&B’s Energy Group. He became a lawyer in 1980 and has been working in the energy/regulatory field since that time. Fred is repeatedly recognized as a leader in the energy field by publications such as Chambers Canada, The Legal 500 Canada, The Canadian Legal Lexpert Directory and The Best Lawyers in Canada. He was also named Best Lawyers’ 2014 “Lawyer of the Year” (Energy Regulatory Law: Toronto).
He has been appearing before energy regulatory tribunals for over 30 years and, throughout that period, has been frequently and actively involved in providing advice with regard to regulatory policy and strategy.

More about Fred here.

Ron Clark

Ron Clark’s energy practice involves counselling stakeholder groups, retailers, distributors and generators on legislative and policy matters relating to electricity markets. He has been retained in connection with power procurement arrangements, development of generation and cogeneration facilities and the Ontario government’s clean energy supply and renewable energy supply RFPs and contracts. He has been involved in electricity restructuring in Iraq, Saudi Arabia, Ghana, Albania, Macedonia and the Regional Southeast European market. He has also chaired the Ontario Energy Association’s Task Force on Ontario’s proposed electricity legislation. Ron is a co-author of Energy Regulation in Ontario: Electricity (Lexis/Nexis) and has been recognized as a leading lawyer in Energy by The Legal 500 Canada, Chambers Global: The World’s Leading Lawyers for Business, Chambers Canada: Canada’s Leading Lawyers for Business, Legal Media Group’s Guide to the World’s Leading Energy and Natural Resource Lawyers and The Canadian Legal Lexpert Directory.

More about Ron here.

Corrine Kennedy

Corrine Kennedy is a partner and member of A&B’s Corporate/Commercial and Energy Groups. As part of the Energy Team, Corrine advises clients on the negotiation, administration, interpretation and disputes in respect of various kinds of electricity contracts, including power purchase agreements and capacity contracts. Corrine has extensive experience with secured lender financing transactions, restructuring transactions, as well as standby letters of credit, all within the context of the Feed-in Tariff Program and other energy agreements.

Corrine has been involved in a variety of transactions, including several transactions related to requests for proposals and contracts for procurement of electricity generation facilities, power purchase agreements and capacity contracts, as well as the sale of local electricity distribution companies (LDCs). She has also advised LDC clients on the negotiation and development of service provider agreements under the IESO’s Conservation First Framework.

More about Corrine here.

DennisMOLearyDennis O’Leary

Dennis O’Leary is Co-Chair of A&B’s Energy Group. Dennis has extensive experience in the area of energy litigation. He has appeared before all levels of the courts and numerous administrative tribunals in respect of a broad range of regulatory and litigation matters, many of which involved significant energy law matters.

Dennis provides advice and acts as counsel on a wide range of issues, including the Ontario Energy Board in respect of divisional court appeals, as co-counsel to board staff at several rate and facilities hearings and assisting board staff with the development of the draft codes for use in Ontario’s deregulated electricity sector. He acted as the facilitator at the board-mandated settlement conference held as part of an application by one of Ontario’s major utilities for approval of its rates. Dennis has appeared before the National Energy Board in respect of toll and facilities hearings. He provides legal advice to international utilities on the regulation of electricity and natural gas at both the federal and provincial levels. Dennis is recommended in The Legal 500 Canada for his expertise in the practice area of Energy: Power.

More about Dennis here.

Cynthia Sefton

Cynthia Sefton is a partner and member of Aird & Berlis LLP’s Litigation and Energy Groups. Cynthia has over 35 years of trial and appellate advocacy experience. She has acted on behalf of individuals and businesses of all sizes, including natural gas utilities, secondary lead smelters, manufacturing companies and energy service and sales companies. Cynthia has advised clients on risk-management, insurance and operational issues, as well as liability and mitigation measures relating to outsourcing and use of contractors. Cynthia’s practice areas include the investigation and defence of fires and explosions and other large disasters, workplace accidents, product liability, construction projects, risk-management and due diligence, occupational health and safety, and contract issues. More specifically, her practice encompasses all aspects of tort and contract litigation, investigation and defence of quasi-criminal matters and provincial offences, including the occupational health and environmental fields, technical regulatory compliance and Fire Code issues.

More about Cynthia here.

DavidStevensDavid Stevens

David Stevens is a partner and a member of A&B’s Energy Group. David has practised in the area of energy regulation for almost fifteen years. He advises gas and electric utilities, and other participants in Ontario’s electricity market, on a wide range of regulatory and commercial issues, and regularly appears before the Ontario Energy Board. Among other things, David has expertise in regulatory issues related to ratemaking, policy interpretation, customer protection, cost allocation and stakeholder relations. David has been recognized in The Best Lawyers in Canada in the field of Energy Regulatory Law.

More about David here.

ScottStollScott Stoll

Scott Stoll is a partner and member of A&B’s Energy Group. He is a professional engineer as well as a lawyer, and his experience in the energy field totals over 20 years. Scott has extensive experience in the electricity and natural gas sector. He represents and advises a number of renewable power generators (water, wind, biogas, landfill gas, solar) as well as natural gas and combined heat and power generation clients. His advice focuses on regulatory issues, access to Crown land, IESO contracts (e.g. CES, CHP, FIT and microFIT), negotiating connection agreements and First Nation consultation.

Scott has represented many clients in regulatory proceedings for policy development, infrastructure approvals, rate orders, licensing and compliance matters. He has acted for a diverse range of clients and this has provided him with a unique understanding of the motivating factors and concerns for each segment of the industry, thereby enabling him to help clients successfully navigate through the regulatory regime. Scott is recognized in The Best Lawyers in Canada in the fields of Energy Regulatory Law and Environmental Law. He is also recognized in The Canadian Legal Lexpert Directory as a leading lawyer in the area of Energy (Electricity).

More about Scott here.

Zoë Thoms

Zoë Thoms is an associate and a member of A&B’s Energy Group. Zoë is a litigator with a strong focus on energy regulation. She has experience advising oil and gas exploration companies, as well as professional liability insurers and telecommunication companies.  Zoë has appeared before the Superior Court of Ontario, Ontario Court of Justice, Alberta Court of Queen’s Bench and Alberta Provincial Court.

More about Zoë here.

Randy WilliamsonRandy Williamson

Randy Williamson is a partner and a member of A&B’s Corporate/Commercial Group. Randy advises private companies and their owner-managers, private equity and venture capital investors, as well as public issuers, on acquisitions and divestitures, senior and subordinated debt and equity financings, and business structuring matters. Randy also helps organizations structure and negotiate shareholder, partnership, joint venture, outsourcing, distribution and licensing arrangements. Randy has a particular focus on Canada’s renewable energy and clean technology sectors.

More about Randy here.