We help mid-market and enterprise leaders improve performance, manage change, and build stronger organizations through integrated strategy, operations, finance, people, technology, governance, and risk expertise.
Since 1995, Harrington & Sterling has helped organizations across North America and Europe make better decisions, deliver change, and create durable value.
Our senior professionals combine sector knowledge and functional expertise to help leaders move from insight to implementation.
Daniel brings more than 20 years of experience helping executive teams set direction, evaluate growth opportunities, and turn strategy into coordinated action. He founded Harrington & Sterling to give business leaders direct access to experienced advisors who connect ambition with practical execution.
- Daniel Harrington Co-founder & Chief Executive Officer
Marcus is a seasoned organization and transformation leader who helps companies align structure, talent, culture, and leadership around strategic priorities. His work combines practical change management with a clear focus on business performance and employee engagement.
- Marcus Sterling Co-founder & Chief People and Transformation Officer
Sarah is a Chartered Professional Accountant with deep experience in financial planning, performance improvement, risk assessment, and decision support. She helps leadership teams turn financial insight into stronger resource allocation, resilience, and enterprise value.
- Sarah Almeida, CPA Director of Financial Advisory and Risk
Jonathan advises boards and executive teams on governance, operating models, enterprise risk, and complex transformation. Known for clear judgment and disciplined execution, he helps clients establish accountability and deliver critical business priorities.
- Jonathan E. Whitman Principal, Governance and Operations
Emily leads technology and digital transformation engagements, helping organizations modernize capabilities, improve data-driven decision-making, and govern major programs. She connects technology investment to measurable business outcomes and sustainable adoption.
- Emily Hartwell Senior Director, Technology and Digital Transformation
Natalie is a senior communications and change strategist with more than 12 years of experience helping organizations build understanding and commitment during high-stakes transformation. She creates clear stakeholder strategies that strengthen trust and accelerate adoption.
- Natalie Rousseau Senior Communications and Change Strategist
