Jon Tibbits-Smyth Jon Tibbits-Smyth is a qualified Charted Accountant. He has worked as an auditor predominately in the charities and social housing sectors for 14 years. He is currently an audit manager at BDO LLP. Jon has also been involved in the delivery of training on charity auditing and accounting matters and was involved in the publication of the Charity Administration Handbook (6th ed). Manage Cookie Preferences