Strategy grounded in experience.

I’m Lindsay O’Sullivan, founder of Tenet Advisory. I help boards, CEOs and founders make strategic decisions during times of transformation and change.

Strategy advice

Partnering with senior leaders to turn ambition into lasting impact based on real world experience.

Organisation systems

Helping leaders design environments and systems where people are clear, accountable and able to
deliver their best work.

Independent Assurance

An objective view for boards, CEOs, and founders on whether important initiatives are positioned for success.

Leadership

Practical guidance, honest feedback and tools leaders can apply immediately

A bald man wearing glasses, a blue dress shirt, and a navy blazer with a pocket square, posing against a white background.