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Council Members

  • William Greenhalgh Vice Chair / Vice-présidente
  • Laura Hantho
  • Christie Henderson
  • Naveen Kalia
  • Shoba Khetrapal
  • Blake Mercer
  • William Molson
  • Gavin Tighe Chair/Président


    William Greenhalgh MSc, BSc, C.Dir

    Bill is Chief Executive Officer and President of Stratx Inc. He has been a member of The Public Accountants Council for the Province of Ontario since 2013 and Vice Chair since March 2017. He also currently serves on the Champions Council of the Canadian Palliative Care Association.  His past roles have included CEO of the Human Resources Professionals Association, President of the Globe and Mail, and President of Cinram. His past community involvement includes Board Director of The Scarborough Hospital; the Toronto Symphony; The Human Resources Professional Association; the North American Human Resources Management Association; the World Federation of People Management Associations; and various charitable organizations. He also chaired the Canadian Mirror Committee for the International Standards Organization on human resource programs. He holds an Honours Bachelor's degree in Mechanical Engineering from Southampton University; a Master's degree in Business from the London Graduate School of Business Studies; the C.Dir (Chartered Director) designation from the Directors College; and the Aspen Institute Certificate in Leadership. He has also completed the Harvard Business School Senior Executive Programs in both Marketing and Manufacturing.



    Laura Hantho MBA, ICD.D

    Laura Hantho is an experienced business executive and certified director. She has had more than 25 years experience in the information technology sector, is a former IBM executive and has co-founded, built and sold two companies.

    Laura currently serves on several boards and committees including: the Ivey Advisory Board; the UHN IT Committee; and the Public Accountants Council for the Province of Ontario where she also serves on the Audit Committee.

    Laura holds an Honours BComm from the University of Toronto and an MBA from the Ivey Business School. She holds the ICD.D designation from the Institute of Corporate Directors.


    Christie Henderson FCPA, FCA, LPA, CFP, TEP

    Christie is managing partner of Henderson Partners, LLP a mid sized firm of Chartered Professional Accountants and Advisors, located in Oakville, Ontario. Her expertise is in comprehensive tax, estate and business succession planning and business advisory with a focus on family enterprise. Christie spent the beginning of her career at Ernst & Young.

    Christie recently retired as chair of the Oakville Hospital Foundation and previously served two terms on the Council of CPA Ontario. She has also served on the Boards of St. Mildred’s-Lightbourn School and the United Way of Oakville. Christie was the recipient of the Institute of Chartered Accountants of Ontario’s Award of Distinction and was elected a Fellow of the Institute (FCPA/FCA) in 2013. Christie is recognized as one of Canada’s Top Female Entrepreneurs as part of the  PROFIT/Chatelaine W100 listing. She has been nominated one of Canada’s “Top 40 under 40″ and for the RBC Canadian Women Entrepreneur Awards.


    Naveen Kalia MAcc, CPA, CA

    Naveen is a Partner with KPMG’s Audit practice, specializing in Financial Services with 20 years of experience auditing and advising some of Canada’s most complex reporting issuers. He has held a number of leadership positions with KPMG and is currently the head of their Financial Institutions Audit Practice.  As one of the engagement partners for two of Canada’s five largest financial institutions he has been very involved in some of the challenges and issues facing the financial services industry during the most recent financial crisis.  He is a licensed public accountant for the Province of Ontario.


    Shoba Khetrapal M.A.

    Shoba Khetrapal is a former Vice-President and Chief Financial Officer at Weekenders International.  She is also a former Vice-President and Treasurer with Moore Corporation Limited.  She has been a member of The Public Accountants Council for the Province of Ontario since 2008.

    Ms. Khetrapal is a former Board member of Cancer Care Ontario, Toronto Hydro Corporation, Ontario Casino Corporation, Moore Group Services BVBA-Belgium, Peak Technologies Canada Ltd, Moore Business Forms Pension Trustees U.K. Limited, Moore Holdings Ltd. Australia, Canada Pension Plan Review Tribunal and St. Joseph’s Health Centre. She is a past President of the Toronto Society of Business Economists and a former Advisory member of the Canadian Chamber of Commerce Economic Policy Committee.

    Ms. Khetrapal holds a Masters of Arts degree in Economics from The University of Delhi, India. She is a certified director of the Institute of Corporate Directors, a member of the Toronto Chartered Financial Analysts Society and a recipient of the Professional Woman of the Year Award by ICCC.



    Blake Mercer FCPA, FCGA, C.Dir, LPA

    A graduate of the University of Toronto, Blake joined the firm of Mercer and Mercer based in Milton, ON in 1996 and became a full partner in 2003. Blake is a licensed public accountant authorized to practise public accounting in the province of Ontario. In addition to serving as a director for the Public Accountants Council; Blake serves as a director for the Chartered Professional Accountants of Canada; the Milton Chamber of Commerce; is Treasurer for Milton Transitional Housing Corp – a local charity in Milton; and as treasurer for the Algonquin Wildlife Research Station. Blake is also a Past-Chair of the Board of Directors for the Certified General Accountants of Ontario. Blake became a Life Member of CPA Ontario in 2014 and obtained the Chartered Director (C. Dir.) designation from The Directors College in 2011.


    William Molson CPA, CA, CMA, MBA

    Will Molson is a licensed public accountant with over 30 years experience as a sole proprietor, with larger firms and with government. He has significant audit experience with not-for-profit organizations and electoral campaigns. His volunteer experience includes service with the CPA Ontario Public Accountants Licensing Board (past Chair), the CPA Ontario Applications Committee (past Chair), and the CPA Canada Federal Elections Audit Guide Advisory Committee.


    Gavin Tighe BA (Queen’s), JD (USask)

    Gavin Tighe, BA (Queen’s), JD (USask) is certified by the Law Society of Ontario as a Specialist in Civil Litigation and has appeared as lead counsel at all levels of Canadian Courts including the Supreme Court of Canada. Mr. Tighe is currently a senior partner with Gardiner Roberts LLP and a member of the firm’s Executive Committee. He has been involved in many of the leading Canadian cases in such diverse areas as corporate restructuring, municipal conflict of interest, real property, lawyer’s negligence, financial advisor liability, auditor and accountant liability, director and officer liability, insurance, defamation, and election law in addition to numerous other areas of law.

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