Peter J. Sullivan

Trevor Moum is a wills and estate lawyer. A significant part of his practice is focused on estate litigation. Estate disputes can be acrimonious and are usually emotionally taxing on all parties. Trevor approaches sensitive issues with empathy and thoughtfulness and aims to achieve appropriate solutions as swiftly as possible. Clients appreciate his ability to listen, identify their specific needs, and seek practical and cost-effective outcomes. Where compromise is not possible, he is a firm ...

John Atchison is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Real Estate Law. John, who practices law in Toronto, Ontario, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Paul Gibney is a partner and practices in the Toronto office of Thorsteinssons LLP. Paul’s practice focuses on personal, corporate and trust planning for high net worth individuals, family offices, executives, owner-managers and their businesses, both domestic and international, including: corporate reorganizations; estate planning; purchases and sales of businesses; immigration and emigration; non-profit organizations and charities. Paul also represents taxpayers in their dealings with...

Mark Geiger is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Labour and Employment Law. Mark, who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark is held by other top lawyers in the same geographic and legal practice area.

Darren Lund’s practice is focused on a range of estate planning, estate administration, and private client service matters. Darren regularly assists clients with complex multiple will planning, family trusts, alter ego and joint partner trusts, marriage contracts, business succession, estate freezes, charitable gift and tax planning, planning for individuals with disabilities, cross-border planning, powers of attorney, and estate planning aspects of assisted reproduction and posthumous ...

Practice D.J. is a partner in the restructuring and litigation firm Thornton Grout Finnigan LLP and has represented a wide variety of stakeholders in complex restructurings and insolvency litigation for more than 25 years. She is known for having a deep understanding of the insolvency framework, both domestic and international, and for applying strategic skills to achieve creative outcomes for clients. Representative mandates include representing the first public university in Canada to be re...

Jennifer Danahy is a partner in the firm's Toronto office, practising exclusively in the area of environmental law. As a solicitor, Jennifer works proactively with clients to provide timely and practical legal advice on environmental matters. This includes providing advice to lenders, borrowers, vendors and purchasers in relation to the environmental aspects of corporate transactions, assisting clients with the design and implementation of Environmental Management Systems and Best Management ...

Lesley Burke is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Lesley, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lesley is held by other top lawyers in the same geographic and legal practice area.

Andrew Alleyne is the Vice-Chair of Fasken’s Technology Law group for the Ontario region. Andrew’s practice is focused primarily on corporate and commercial transactions, particularly technology and M&A matters. Serving on the Steering Committee of the firm’s Technology practice group, Andrew is highly experienced in Technology related contracting. He advises a broad array of clients (from blue-chip to emerging technologies) on the challenges and complexities of commerci...

Louis Sokolov is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation. Louis, who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Louis is held by other top lawyers in the same geographic and legal practice area.