Andrew Sheiner: Biography, Career, and Business Insights

Andrew Sheiner’s Profile Summary

Company	Altas Partners
Position	Founder, Chief Executive Officer & Managing Partner
Source of wealth	Management and performance fees from Altas Partners' investment strategies, returns from personal investments
Also known as	Philanthropist, Board Member, Business Advisor
Age	Unknown
Education	McGill University – Bachelor of Commerce, Harvard Business School – MBA
Citizenship	Canadian
Residence	Toronto, Canada
Family	Information about his family is not publicly disclosed.
Website, Social Media	https://www.altas.com/

Biography

Andrew Sheiner is a distinguished Canadian private equity investor and business leader. He founded Altas Partners in 2012, a firm renowned for its long-term investment approach, focusing on acquiring significant interests in high-quality, market-leading businesses. Prior to establishing Altas, Sheiner had a 17-year tenure at Onex Corporation, a leading North American private equity firm, where he served as Managing Director. During his time at Onex, he co-led the creation of Onex Partners, the firm's large-cap private equity platform, and oversaw other investment platforms, including ONCAP, Onex Credit Partners, and Onex Real Estate. Sheiner's early career includes roles at McKinsey & Company and a private family business. He holds a Bachelor of Commerce from McGill University, where he was a Gold Medalist, and an MBA from Harvard Business School. Beyond his professional endeavors, Sheiner is actively involved in philanthropy, serving on the Board of Trustees of Toronto’s Hospital for Sick Children and Harvard Business School’s Canadian Advisory Board.

How did Andrew Sheiner make money?

Andrew Sheiner makes money in the following areas:

Management and performance fees from Altas Partners' investment strategies, returns from personal investments
What is Andrew Sheiner net worth?

As of 2026, there is no publicly available and reliable information regarding Andrew Sheiner’s net worth.

What is Andrew Sheiner also known as?

Andrew Sheiner is recognized for his philanthropic contributions, notably serving on the Board of Trustees of Toronto’s Hospital for Sick Children. He also holds advisory roles, including membership on Harvard Business School’s Canadian Advisory Board, where he provides strategic guidance and support.

Prominent achievements

Founded Altas Partners in 2012, leading the firm to manage over $10 billion in assets, co-led the establishment of Onex Partners, served on the Board of Trustees of Toronto’s Hospital for Sick Children, member of Harvard Business School’s Canadian Advisory Board.

What are Andrew Sheiner’s key insights?

Andrew Sheiner advocates for a patient and discerning investment approach, focusing on acquiring high-quality businesses with meaningful growth potential. He emphasizes long-term ownership, often holding investments for extended periods to maximize value. Sheiner believes in close collaboration with management teams, acting as a supportive and engaged partner to drive sustainable growth

Personal life

Specific details about Andrew Sheiner's family are

Useful insights

Decision-making and success

Making the right decisions at the right time is often what sets successful people apart. Drawing on the experience of Ray Dalio, founder of Bridgewater Associates, here are some key lessons for improving your decision-making and achieving long-term success.

Create a decision-making framework

Ray Dalio advocates for a clear, principles-based approach to decision-making. Establish a set of guiding principles that you consistently apply when faced with choices. This will help you stay focused and avoid emotional or impulsive decisions.
Embrace transparency and open feedback

Dalio’s philosophy of radical transparency is about creating an environment where honest feedback is encouraged. Whether in your career or personal life, being open to criticism and maintaining transparency will help you grow and make better decisions.
Prepare for risks and manager them wisely

Success isn’t just about making the right moves—it's also about managing risks effectively. Always consider worst-case scenarios and have a plan in place to navigate them. Risk management is a crucial part of any decision-making process.