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Carlyle Shepherd, yes, two last names, is the intrepid founder of our firm and has been providing assurance, accounting and taxation services in Kitimat and beyond since 1965.

Brenda Nelson

Brenda has spent almost all of her life in North Western British Columbia and loves the natural beauty of the area. She loves to travel, cook/bake and is learning all about owning a home and associated yard work, (maple trees!); she also enjoys watching pro baseball and football games live and on TV.

She joined CS&Co, Terrace, in April 2017 and enjoys working with clients she already knows from past work experience.

Celeste Olsynn

Celeste received her accounting designation in 1984.  Since that time she has worked for industry, government and public accounting. 

Celeste has worked at Carlyle Shepherd & Co. since 2013.

Connie Yasinchuk

Connie has deep roots in Northwestern BC having lived in Kemano and Prince Rupert before the family finally settled in Terrace. She epitomises the busy mom but still finds time to play soccer, volleyball, ski, walk the dogs, Zumba and quilt. Connie has been on the Board of the Terrace Child Development Centre for twelve years.

Connie has spent her whole career with CS&Co, qualified as a professional accountant in 2000, has extensive knowledge of all areas of the practice and a skill for helping clients get their records in order.

Debby Loset

Debby has lived in the Terrace area for most of her life and has witnessed the area’s many changes over the years. She enjoys spending time with her family, ATVing, and getting her hands dirty in the garden. She also raced stock cars for a number of years but is now content with driving a red mustang around town.  She started out in the restaurant industry, eventually becoming a restaurant manager, but decided to pursue a career in accounting. She joined CS&Co in 1994 and received her CGA designation in 2002.

Debby is an experienced accountant and a Sage 50 Certified Advisor.  She enjoys the many aspects of her profession. However, assisting clients that are new to the business world with keeping their own books—whether basic or more advanced—is what she enjoys best.

Andrea Callison

Andrea grew up in Chemainus on Vancouver Island, was employed mainly by law firms for the first 20 years of her working career, in Duncan, Vancouver, Bermuda and lastly in Smithers where their family have lived for 40 years.

After having 4 children, she decided to work with her husband, Wayne Callison, starting in 1987.  She received the Advanced Certificate in Accounting in 1999.

Andrea enjoys squash, tennis, dragon boating and walking/hiking – and has made many friends as a result of these activities.   

She enjoys working in a small office, dealing with the diversity of people from all walks of life – enjoys the work – particularly assisting clients with their personal income taxes.

One of the most enjoyable parts of Andrea’s work is meeting the numerous clients she deals with.

Annie Bourbonnais

Annie moved from Montreal to Prince Rupert in April 2017 after several extended trips to British Columbia’s Northwest proved irresistible. She can now go hiking, climbing, kayaking and swimming at a moment’s notice. Annie is proud to be part of Prince Rupert’s warm and inspiring community and looks forward to becoming a bona fide Rupertite in the years to come.


Annie trained at PWC, a major international accounting firm, at their Montreal office and qualified as a Chartered Professional Accountant in 2017. Her training allowed her to work with a wide range of clients in a variety of industries.


Donna Balkwill

Donna grew up in rural Prince George.  After earning her professional accounting designation in 1989, an employment opportunity with CS&Co brought the family to Terrace.  Captured by the natural beauty of the area, she has been here ever since.  

Donna loves how small town life opportunities for tai chi, gardening and hanging with her horse allow her to balance the demands of a busy job. Whether she’s learning a client’s business, navigating the Tax Act or developing new skills, the challenges of the job keep it fresh and interesting.

Ernie Dusdal

Ernie was born and raised in Terrace and has no intention of leaving. He loves the beauty of the area, having actual seasons and the incredible lack of traffic. Not many people can get to work in less than a minute. Ernie enjoys golfing at our incredibly scenic course, Skeena Valley Golf Course, and hunting in the fall.  

Ernie joined the firm as a raw junior in 1982 and became a partner in 1991. He is involved in all phases of public practice and enjoys dealing with the difficult problems. The wide variety of clients that Ernie deals with gives him intimate knowledge of items that impact our clients.

Brian Yamanaka

Brian was born and raised in Kitimat before moving south to Burnaby to attend Simon Fraser University.  After a career as a strength and conditioning coach running a boutique fitness facility, he returned to the University of British Columbia to get his Diploma in Accounting.  When not at work, Brian can be found mountain biking, hiking, backcountry skiing, cross country skiing or on the ice playing hockey. 

Brian began articling in the Smithers CS&Co office in February 2012 and obtained his designation as a professional accountant in 2015.