Mark is co-founder of Sanctum Software and has more than twenty years' experience of running payroll and pension administration businesses, including Sales and Marketing Director roles at Xafinity, ADP and Meta4. Prior to founding Sanctum, he ran a consultancy that worked with some of the largest payroll and pension providers to design, build and launch their AE solutions.

He is a member of the DWP/Pensions Regulator Intermediary, Software and Provider Forums. Mark is also a trustee of the Harrow Club, a London based charity that supports children and young people.

Mark’s role is to leading business development, client and partner relationships and the general management of the business.

Mark has commented about Auto-enrolment in the financial and pension press:

Auto-enrolment problems prompt calls for compulsory audits - FT Advisor 3 April 2018

Advisers face wave of auto-enrolment complaints - FT Advisor 12 March 2018

Sanctum Management Team

Mark Ellis

 Mark Ellis  -  Chief Executive

John Campbell

About us

 John Campbell  –  Chief Financial Officer

John is an economics graduate of the LSE and qualified accountant. He has extensive experience of outsourcing, technology and the pension administration markets. He has worked with clients across both the public and private sectors. He has also served as a Pension Scheme Trustee and provided input to government studies as to the likely cost of AE. His experience includes Commercial and Finance Director roles at EDS, ATOS and Paymaster.  John leads the financial, commercial and legal aspects of the business.

John has also served as a trustee of several charities.

 ​ Mark can be contacted at

 ​ John can be contacted at