Teneo Appoints Simon Hemsley and Michael Callow as Managing Directors
Teneo, the global CEO advisory firm, today announced the appointment of Simon Hemsley and Michael Callow as Managing Directors with Teneo’s Management Consulting business. Simon and Michael will work across Teneo’s Business Services practice in London, utilising their extensive experience across commercial due diligence (CDD), strategy and value creation projects.
Prior to Teneo, Simon worked in finance and commercial roles in the financial services industry. In his last operational role, he was CFO of IntegraFin, an innovative investment platform that floated on the London Stock Exchange in 2018.
Simon works across a range of sub-sectors, including wealth management, financial services technology, governance, risk & compliance (GRC), offshore fiduciary services (private clients & fund administration), insurance, office of the CXO (services into the C-suite), outsourced business services, legal & accountancy, sustainability, specialist recruitment, hire, train & deploy (HTD) and HR technology & services. He is also a Fellow of the Institute of Chartered Accountants in England and Wales.
Simon Hemsley said: "I’m delighted to join the Management Consulting practice at Teneo to help build our financial and professional services capability. My focus will be on CDD and value creation for private equity and management teams, to help deliver successful transactions and create long-term value. I'm excited to be working with such a strong team.”
Prior to Teneo, Michael was a Partner at Armstrong Transaction Services, where he built their tech practice from the ground up. Prior to his time at Armstrong, Michael was Interim Investment Director with Connection Capital LLP, where he executed LBOs and minority growth investments.
He started his career in CDD at PwC’s Strategy Group (formerly Coba) and went on to spend a decade in venture capital / growth equity in corporate finance, principal investing and client-side roles.
Michael Callow said: “I’m thrilled to join a great team in such a capable platform, with an incredible track record in software & tech services due diligence and value creation. I look forward to supporting the continued expansion of the practice across the UK and beyond.”
“We are delighted to welcome Simon and Michael to Teneo. They both have an enviable track record and reputation for CDD and bring deep and complimentary subject-matter expertise in IT services and financial services. Teneo’s Management Consulting business’ support for financial sponsors spans the entire investment lifecycle from due diligence through value creation, and our deep sector capabilities now span Business Services, the Built Environment, Energy & Infrastructure, Financial Services, Healthcare, Hospitality, Technology (software & IT services) and Transport, – working with an ever-growing list of private equity, debt, pension fund and sovereign investors,” said Tim Nixon, CEO, Management Consulting.






