Who We Are

Experienced professionals. Personalized approach.

Our team combines the personal service of a boutique firm with the technical expertise of larger firms. We specialize in tax, estate, and planning for owner-managed businesses, offering accessible, personalized guidance built on trust, collaboration, and lasting relationships.
Associations & Accreditations
LET’S TALK NUMBERS
45
Years of
Trusted Service
16
Dedicated
Team Members
17
Years average

Team Tenure
3
CPAs with the

In-Depth Tax Course

Meet our team

Our leadership and staff share a commitment to empowering people, guiding growth, and inspiring excellence. Together, we foster a culture built on expertise, approachability, and genuine care—supporting our clients, developing our people, and strengthening the communities we serve.

Donald L. Irwin

Partner

CPA, CGA, CFP

Kyle Singbeil

Partner

CPA

Steven Sun

Partner

CPA, CGA, FCCA (UK), CPA (HK)

Barb Pulver

PROFESSONAL STAFF/
OFFICE ADMINISTRATION

Kim Erhart

PROFESSIONAL STAFF

CPA, CGA

Vivian Tian

PROFESSIONAL STAFF

CPA, MBA

Zoey Wang

PROFESSIONAL STAFF

CPA

Sara Ryder

PROFESSIONAL STAFF

Cindy Brown

PROFESSIONAL STAFF

Jessica Andrews

PROFESSIONAL STAFF

Cheryl Harris

PROFESSIONAL STAFF

CPA, CGA

Kari Negrin

ACCOUNTING TECHNICIAN

Kennedy Negrin

ACCOUNTING TECHNICIAN

Wendy Xu

ACCOUNTING TECHNICIAN

Donna Olsen

ADMINISTRATIVE SUPPORT

Shelley Doering

ADMINISTRATION SUPPORT

Adam Olson

ADMINISTRATIVE SUPPORT

Background

Preferred areas of practice include