Profiles Profile Of Accountant On The Go Timothy Ryan started his career in 1988 as an accountant with Nomura Computer Systems, a Japanese software company.  He built on his extensive knowledge of accounting software products while at Citibank where he was finance manager for the software division.  Mr. Ryan began working with QuickBooks® in 1993, the year Intuit released its first version.  He has been a certified professional advisor for QuickBooks® for the last several years.  He brings to your business a substantial financial background,  QuickBooks® expertise and vast computer knowledge.