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She became an entrepreneur over ten years ago when she formed a law firm focused on advising entrepreneurs and knowledge-based businesses during both good and challenging times, starting from launch, to financing, growth, pivot/change, and ultimately exit.

Naomi Morisawa De Koven is the managing lawyer of MDK. Naomi is an active charter member of TiE Ottawa, a past recipient of the Ottawa Business Journal’s Forty under 40, and a volunteer director of several not-for-profit organizations. Prior to moving to Ottawa, she was a Toronto-based partner at a national law firm.

Naomi earned a B.A. from McGill University, an LL.B. at the University of Toronto, and was called to the Ontario Bar in 1995.When she's out of the office, Naomi can be spotted out on the water in her kayak, practicing mindfulness, watching the latest sci-fi movie with her family, and searching for unique images to share on Instagram.

Naomi Morisawa De Koven

Managing Lawyer


Simon Sigler is a lawyer at MDK Business Law. His practice is focused in commercial litigation and real estate litigation.

Simon joined the law force as a student in 2016 and went on to article with an Ottawa based firm in 2017. During his time at the firm, he was involved in initial public offerings, private lender matters, private placements, and commercial litigation matters. Simon has appeared before the Ontario Superior Court of Justice and the Federal Court on various commercial litigation matters.

Prior to working in the legal world, Simon worked in advertising for a boutique agency in Toronto and as part of a legal team reviewing data-protection policies at a multi-national agency in London, U.K. He also spent time at a management consulting company in Seoul, Republic of Korea.

LEGAL AREAS OF EXPERTISE: Securities, finance, leasing, civil litigation

Ontario Bar Association Civil Litigation Section Executive - Regional Representative

BAR ADMISSION: Ontario, 2018

Simon Sigler

Litigation Lawyer


Our Team


Kimberley Chew Leung is a business lawyer at MDK Business Law. She practices in corporate, commercial, privacy and data security law.

Kimberley worked for an Ottawa boutique business law firm in 2018 after articling at a general litigation firm in downtown Toronto where she gained experience in commercial, bankruptcy, and other forms of litigation. She has also done pro bono and volunteer work for the Canadian Cancer Society, the United Nations, Ottawa Chinese Community Service Centre, and more recently, has been volunteering with the Round Table Initiative.

Before law school, Kimberley completed a degree in international business and studied in Shanghai, China. Later, she came back to Ottawa to complete her law school degree at the University of Ottawa and was called to the Ontario bar in 2018. Kimberley took specialized classes in privacy, commercial and comparative contract law and has since gained experience advising on global privacy law trends.

Outside of her legal world, Kimberley enjoys playing badminton and has achieved her provincial level coaching certificate. When not on the court, she likes to try new restaurants, sing out of tune karaoke, and watch badminton, golf, and tennis.

Kimberley Chew Leung

Business Lawyer


Beverley's past volunteer work includes of caring for the elderly and participating in the Arthritis Society fundraising campaign. She also currently volunteers with the Royal Canadian Army Cadet Corps.

Although born and raised in the UK, she is well-travelled, speaks fluent Spanish and is studying Russian. Beverley is a passionate animal advocate; she enjoys spending time with the office dog.


Beverley Kinman

Office Manager


Michael McDonald

Business and Commercial Lawyer


Mike has developed a wide range of corporate experience while serving as an articling student and associate at a large law firm in downtown Toronto. He has extensive practice in drafting various types of contracts, board/shareholder resolutions and other corporate governance documents as well as experience in reviewing and analyzing company records for due diligence purposes. Mike has advised both private and publicly-traded corporations in public and private securities offerings, M&A transactions and has assisted companies with listings on the TSX, TSX Venture Exchange and the Canadian Securities Exchange.

Mike earned his Juris Doctor (J.D.) from the University of Ottawa, and graduated summa cum laude with a Bachelor of Arts (B.A.), English Communication, from Salve Regina University.

Mike is very active in sports, particularly in hockey, where he competed for four years in the National Collegiate Athletic Association (NCAA) as a goaltender.

Mike is passionate about entrepreneurial ventures, having started his own company, Prospect Productions, as a teenager, which provided prospective collegiate athletes with promotional video services for their recruiting efforts.