Hassan Jamil

Staff Accountant

Hassan@gallaghermannisto.ca 

Muskan Wadhwani

Staff Accountant

​muskan@gallaghermannisto.ca

Our Team

Roberto Umana CPA, CA
Senior Partner


Roberto is a Partner at Gallagher & Mannisto, Chartered Professional Accountants. He graduated from York University with a Bachelor of Commerce degree in 2006. He received his Chartered Accountant (C.A.) designation in 2009, and in 2012 became a Chartered Professional Accountant (CPA).

​Roberto is also a part-time practice inspector for the Chartered Professional Accountants of Ontario and lectures part-time at York University


Email: roberto@gallaghermannisto.ca

Ian Dever CPA, CA
Senior Partner


Ian is a Partner at Gallagher & Mannisto, Chartered Professional Accountants. He began his accounting career at Gallagher & Mannisto after graduating from the University of Waterloo. He received his Chartered Accountant (C.A.) designation in 1989, and in 2012 became a Chartered Professional Accountant (CPA).






Email: ian@gallaghermannisto.ca

Ali Syed, CPA

Tax Specialist

ali@gallaghermannisto.ca

​Gallagher & Mannisto,
Chartered Professional Accountants

459 King Street East
Toronto, ON M5A 1L6
Tel: 416.360.1010 | Fax: 416.360.6802

Rob Mannisto CPA, CA

Managing Partner


Rob is the Managing Partner at Gallagher & Mannisto, Chartered Professional Accountants. He began his accounting career at Gallagher & Mannisto after graduating with a Bachelor of Mathematics degree from the University of Waterloo in 1979. He received his Chartered Accountant (C.A.) designation in 1980, and in 2012 became a Chartered Professional Accountant (CPA).





​Email: rob@gallaghermannisto.ca

Michael McNamara CPA, CA

Tax Specialist

​mick@gallaghermannisto.ca

​Gallagher & Mannisto 

CHARTERED PROFESSIONAL ACCOUNTANTS

Roberta Maggisano 

Office Manager

​Roberta@gallaghermannisto.ca

Fazal Rahaman

Staff Accountant

fazal@gallaghermannisto.ca 

Danny Zhang, CPA

Senior Manager


Danny is a Manager at Gallagher & Mannisto, Chartered Professional Accountants. He began his accounting career at Canada Revenue Agency after graduating from Toronto Metropolitan University (Ryerson University) in 2016. He joined  Gallagher & Mannisto in 2017 and received his Chartered Professional Accountant designation in 2020. He specializes in helping small and medium size owner-managed businesses with full-cycle accounting including: bookkeeping, payroll, sales tax, and personal & corporate tax return filings. 




​Email: danny@gallaghermannisto.ca