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The Company

Built on Conviction,
Driven by Excellence

Sainclair Corp. was founded in 2020 with a simple but ambitious conviction: that the future of finance belongs to those who combine intellectual rigour, technological innovation, and a genuine commitment to their clients' long-term prosperity.

Founders

Arthur Sainclair

Co-Founder & President

"We built Sainclair not just to generate returns, but to demonstrate that finance can be a long-term force for human progress."

Arthur Sainclair co-founded Sainclair Corp. in 2020, bringing with him a career built at the intersection of quantitative finance, technology, and strategic leadership. Educated at HEC Paris, MIT, and the London Business School, he has spent two decades developing expertise across leading global financial institutions.

His defining contribution to Sainclair is a model in which nearly 50% of the firm's capital is owned by employees — creating a culture of true alignment between the firm's success and the well-being of those who drive it.

Mathieu Lacore

Co-Founder & Non-Executive Chairman

“Our role is to ask the right questions — and to ensure the firm never loses sight of what it was built to achieve.”

Mathieu Lacore co-founded Sainclair Corp. in 2020, bringing extensive experience in international business development, alternative assets, and entrepreneurial leadership across multiple continents. As Non-Executive Chairman, he chairs the firm's supervisory board, providing independent governance oversight on behalf of investors and stakeholders.

His mandate is to ensure that Sainclair's strategic direction remains aligned with its founding principles — disciplined, ethical, and built for the long term — while maintaining the highest standards of fiduciary responsibility to the firm's clients.

Leadership Team

Exceptional Minds, Shared Purpose

Julia Ashford

Chief Investment Officer

Oxford University (Financial Mathematics) · Harvard Business School MBA. Julia designed the systematic framework underpinning Sainclair's flagship investment programs, combining analytical rigour with a forward-looking approach to sustainable returns.

John Harrington

Chief Operating Officer

Stanford Engineering · INSEAD MBA. With over two decades streamlining operations at leading global financial institutions, John is the architect of Sainclair's efficient, scalable infrastructure — ensuring ambitious growth aligns with operational excellence.

Margaret Wislow

Head of Global Strategies

Yale (International Economics) · LSE Master's in Global Finance. Margaret leads Sainclair's cross-border investment initiatives, identifying emerging opportunities in complex international markets with a discipline honed across three continents.

We Are Hiring

Senior Roles · Global

Sainclair seeks exceptional talent at the intersection of finance, technology, and scientific research. Intellectual rigour and long-term ambition required.

View Opportunities

Our Values

The Principles That Guide Everything We Do

Intellectual Rigour

Every decision at Sainclair is grounded in evidence, data, and disciplined analysis. We question assumptions, stress-test ideas, and never confuse conviction with certainty.

Aligned Interests

We invest alongside our clients. Our employee co-ownership model and profit-sharing practices ensure that Sainclair's success is genuinely shared — not just promised.

Long-Term Vision

We build for decades, not quarters. Our investment philosophy, our culture, and our client relationships are all designed to create enduring value across market cycles.

Careers

Join the Builders

At Sainclair, we call our people Builders — because that is what they do. They build strategies, systems, relationships, and a firm that will endure. We recruit exceptional talent from finance, technology, science, and beyond. If you are intellectually restless, deeply rigorous, and motivated by impact, we want to hear from you.

Sainclair offers a competitive co-ownership programme: eligible employees participate in the firm's equity structure, aligning personal success with institutional performance. We also operate a profit-sharing model that extends to employees of portfolio companies at the point of exit.

Open Role

Quantitative Researcher — Hong Kong

Open Role

Portfolio Analytics — Seychelles / Remote

See All Openings

Sainclair Corp. operates under applicable regulatory frameworks. This website is intended for qualified and institutional investors only. Past performance does not guarantee future results.