People

Our team members have decades of start-up, growth, recapitalization, turnaround, restructuring, mergers, and acquisitions experience across variety of industries originating, arranging, structuring closing mergers, acquisitions, equity, debt & securitizations capital raising transactions for the best-known public and privately held Canadian companies. Having led organizations and strategic transactions through Black Monday (1987), the Russian Flu (1998), the Dot.com Bubble (2000) the Global Financial Crisis (2008) and Pandemic (2020).

Why not put our exhaustive experience & focus on the lower-middle-market to work for you?

KARL E. SIGERIST, Jr., ICD.D

Karl Sigerist is a seasoned business leader with a proven track record of founding, growing, and transforming organizations. With a background in technology, finance, and insurance, Karl has been a founding member of eight start-ups and has led the growth of several business-to-business organizations through mergers, acquisitions, and strategic alliances. He has advised shareholders, board members, and executives on governance, strategic, and corporate finance issues, helping them navigate the challenges of founding, growing, buying, and selling businesses. Karl has overseen the successful turnaround of three Canadian and European organizations, raising a total of $965 million in capital and advising, executing, and leading numerous deals with over $4 billion in transaction value.

Arne Hassel-Gren

Arne is a proven relationship builder with executives, founders, and entrepreneurs across the globe.

Arne has strategically advised and provided growth financing to organizations across North America and Europe.

Arne’s sector expertise is in the entertainment, media, information technology, manufacturing, wholesale, retails, hospitality, healthcare, motor sports, home improvement and financial industries.

Arne has for decades volunteered and continues to provide governance of an international non-profit.

Arne was educated at Trinity College School, Port Hope, Ontario Canada, Canadian Junior College, Lausanne, Switzerland and Western University, London, Ontario Canada.

David Prowse CPA, CA, CVA, CEPA, CMAA

David Prowse leads strategic initiatives to support Canadian business owners with companies generating less than $5 million in annual revenue. With over 25 years of experience in mergers and acquisitions, exit planning, business valuation, and financial modeling, David brings unparalleled expertise to guide clients through successful transactions and succession planning.

David holds a Bachelor’s degree and is a Certified Public Accountant (CPA), Chartered Accountant (CA), Certified Valuation Analyst (CVA), Certified Exit Planning Advisor (CEPA), and Certified M&A Advisor (CM&AA). His extensive qualifications, combined with his strategic vision and relationship-building skills, position him as a trusted leader in the Shaughnessy Group’s mission to empower entrepreneurs with seamless and profitable business transitions.

Andrew J. Malcolm BCom, MA

Andrew became an Associate in 2024, being a graduate of our intern program and stayed on to apprentice and support our clients and our team before being elevated to his current role.

Andrew holds a Master of Arts in Financial Economics and a Bachelor of Commerce in Finance from the Lang School of Business and Economics at the University of Guelph.

Nicholas Carter BCom, MBA

Nick is an accomplished Senior Financial Professional with an excellent record of accomplishment of success with a Canadian chartered bank and other financial service organizations.

Using innovation and data science he has helped create billion-dollar portfolios. Throughout his career he has striven to achieve optimal effectiveness and efficiency to enhance stakeholder value. Having worked in both Eastern and Western Canada, Nick has broad range of experience which includes commercial and consumer lending, discount brokerage, real estate, and agriculture.

In addition to a B.Com and MBA, he has Diploma in Urban Land Economics and has completed course work for a Master of Economics degree.

Paul Sigerist

Paul joined our team in 2019, a seasoned Technology Director with over 20 years of experience driving information technology strategy, infrastructure, and digital transformation. Proven expertise in information technology, leadership, cybersecurity, cloud computing, and enterprise systems, with a strong focus on business intelligence, process optimization, and risk management.

A results-driven leader with a track record of implementing scalable, secure, and cost-effective solutions that align technology with business objectives.

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