Paul is the author of Business Succession Guide, Private Company Shareholder Guide, Business Transactions Guide, The Private Company: A Legal and Business Guide for Owners and Managers, and Private Company Governance Guide, all published by Thomson Reuters. He maintains the blog Private Company Law: Cases and Comments and consults on private company matters.

Paul has practised business law in Toronto, Canada with emphasis on purchase and sale transactions, business succession, private company governance, technology transfers, joint ventures and financing. He has acted as corporate counsel to the Bank of Nova Scotia and Canadian Pacific Limited, and has served as the President of the New Brunswick and Canada Railroad Company and as a director of BNS Mortgage Corp. and Bluenose Investments Inc. He has been Chairman of the Corporations Acts and Securities Legislation Committees of the Canadian Bankers' Association, as well as Chair of the Business Law Section and Secretary and Treasurer of the Corporate Counsel Section of the Ontario Bar Association.

In the not-for-profit sector, Paul has served as a director of The Toronto Lawn Tennis Club Limited, a director and member of the executive committee of Communities in Schools (Canada), and President of Microchip Youth Training Association of Toronto Inc. He has also been a director of the Toronto chapters of the Heart and Stroke Foundation of Ontario and the Queen's University Alumni Association.

Paul has a B.A. (Hons.) in Sociology and Psychology and LL.B. from Queen's University, and an M.B.A. in Finance and Marketing from the University of Toronto. He is a member of the Ontario Bar and has been certified as a specialist in corporate and commercial law by the Law Society of Upper Canada. Paul is a fellow of the Institute of Canadian Bankers, and has completed the Canadian Securities Course and Harvard University Negotiation Workshop. He has lectured at the Ontario Bar Admission Course and has been part of the training team for the Canadian Bar Association contract writing course for Cambodia bar admission students in Phnom Penh and for members of the Laos Bar in Vientiane.

Paul has chaired the OBA programmes "Due Diligence in a Wired World", "Financing New Companies", "Buying and Selling Intellectual Property", "Helping Clients Do Business on the Internet", "Practising Business Law Online", "Negotiating and Drafting Preliminary Transaction Documents", "The Private Company", and "Business Succession on Retirement". He has also chaired the Law Society programmes "Business Agreements", "The Annotated Share Purchase and Asset Purchase Agreement", "Rescuing the Problem Deal", "Alternative Vehicles for Carrying on Business", and "New Lawyer Practice Series Corporate Law", and has presented at the Law Society’s Special Lectures on Corporate & Commercial Law.