Jerry F. O'Brien

Sarah E. Martens is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence and Professional Malpractice Law. Sarah E., who practices law in London, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah E. is held by other top lawyers in the same geographic and legal practice area.

David Arntfield practices business and real estate law with a focus on secured lending, acquisitions and sales of private companies, corporate reorganizations and other transactional work in the corporate sector. David has extensive expertise in guiding clients through a full range of complex commercial contracts. He regularly drafts and negotiates shareholder agreements, partnership agreements, service agreements, purchase and sale agreements, as well as loan and security documents on behalf...

Considered by many to be one of Ontario's most respected civil litigators, David Williams practices in the areas of class action litigation, complex commercial litigation and personal injury . Notably, Dave also has a special record of achievement in medical malpractice cases where he has successfully represented plaintiffs. He has also been active in representing Ontario lawyers in litigation supported by LawPro — the Ontario lawyer’s professional liability insurance plan. As a v...

Gregory Hatt is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Gregory, who practices law in London, Ontario, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory is held by other top lawyers in the same geographic and legal practice area.

Robert B. Ledgley is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Robert B., who practices law in London, Ontario, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert B. is held by other top lawyers in the same geographic and legal practice area.

Lorrie Por is a Partner with Harrison Pensa and Practice Lead of the firm’s Employment and Labour Law group. Her practice is restricted exclusively to employment law issues, and human rights law for employers and business owners. Employers and business owners in all industries and institutions turn to Lorrie for assistance with their employment and human right law issues and her advice and activities are valued by companies and business owners in all areas of Canada and internationally....

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

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

Peter D. Eberlie is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Peter D., who practices law in London, Ontario, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter D. is held by other top lawyers in the same geographic and legal practice area.

Danielle A. Douek is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Labour and Employment Law, Personal Injury Litigation and Professional Malpractice Law. Danielle A., who practices law in London, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Danielle A. is held by other top lawyers in the same geographic and legal practice area.