Meet RBW
We believe in establishing long relationships with our clients, with a customized approach. We collaborate with other professionals in your life including bankers, lawyers and financial planners to ensure a seamless approach to your tax, financial and legal needs. It is a privilege and responsibility to be on this journey with you.
RBW participates in many community events as a team. We love supporting our Niagara community. Keep an eye on our social media accounts to see what we are up to!
Ryan Bissonnette
Partner | CPA, CA
Michael Root
Partner | CPA, CA
Andrew Walker
Partner | CPA, CA
Trudy Tran
Partner | CPA, CA
Cassie Bissonnette
Partner | CPA, CA
Trina Rubino
Principal | CPA, CA
Mitchell Dean
Sr. Manager – Assurance
CPA, CA
Tyler Davis
Sr. Manager – Assurance
CPA, CA
Kristy-Anne Wytenburg
Sr. Manager – Assurance
CPA, CA
Emma Roszell
Manager – Assurance
CPA
Tyler Breakey
Manager – Assurance
CPA
Jake Kannenberg
Manager – Taxation
CPA
Talon Rubino
Manager
Tina Tran
Office Manager
Mike Duerden
Manager – Client
Accounting Services
Nick Sestili
Senior Accountant
CPA
Tushar Trehan
Senior Accountant
Joyal John
Senior Accountant
Ray Tisi
Senior Advisor
CPA, CA
Blair Pachereva
Staff Accountant
Client Services
Daniel Cacilhas
Staff Accountant
Sarina Cacilhas
Staff Accountant
Jacob Paul
Staff Accountant
Diana Diaz Tiznado
Staff Accountant
Jake Schuknecht
Staff Accountant
Ravi Hollo
Staff Accountant
Seth Raso
Staff Accountant
Susan Frez Lira
Staff Accountant
Monica Diaz Tiznado
Staff Accountant
Sarah Olszewski
Staff Accountant
Andrea St. Pierre
Administrative
Assistant
Lauryn Gabriele
Administrative
Assistant
Abby Teather
Co-op Accountant
Alexander Digiglio
Co-op Accountant
Ava Pasto
Co-op Accountant
Logan Steeves
Co-op Accountant
Michael Porada
Co-op Accountant
How about you?
At Root Bissonnette Walker LLP, our foundation begins with our employees — because we know the success of our firm stems from the relationships within it.
Ryan Bissonnette
CPA, CA
Partner
Michael Root
CPA, CA
Partner
Andrew Walker
CPA, CA
Partner
Cassie Bissonnette
CPA, CA
Partner
Trudy Tran
CPA, CA
Partner
Trina Rubino
Principal
CPA, CA
Ray Tisi
Senior Advisor
CPA, CA
Tyler Davis
Senior Manager, Assurance
CPA, CA
Mitchell Dean
Senior Manager, Assurance
CPA, CA
Kristy-Anne Wytenburg
Senior Manager, Assurance
CPA, CA
Mike Duerden
Manager,
Client Accounting Services
Jake Kannenberg
Manager, Taxation
CPA
Emma Roszell
Manager, Assurance
CPA
Talon Rubino
Manager
Tyler Breakey
Manager, Assurance, CPA
Tina Tran
Office Manager
Nicolas Sestili
Senior Accountant, CPA
Joyal John
Senior Accountant
Tushar Trehan
Senior Accountant
Diana Diaz-Tiznado
Staff Accountant
Monica Diaz-Tiznado
Staff Accountant
Blair Pachereva
Staff Accountant
Client Accounting Services
Sarina Cacilhas
Staff Accountant
Jake Schuknecht
Staff Accountant
Ravi Hollo
Staff Accountant
Jacob Paul
Staff Accountant
Seth Raso
Staff Accountant
Daniel Cacilhas
Staff Accountant
Susan Frez Lira
Staff Accountant
Sarah Olszewski
Staff Accountant
Welcome
2025 Co-Op Students
Abby Teather
Co-op Accountant
Ava Pasto
Co-op Accountant
Alexander Digiglio
Co-op Accountant
Logan Steeves
Co-op Accountant
Michael Porada
Co-op Accountant
How about you?
At Root Bissonnette Walker LLP, our foundation begins with our employees — because we know the success of our firm stems from the relationships within it.