Photo of Dr Patrick OBrien DVM CIM Wealth Advisor Vice President Portfolio Manager

Dr. Patrick O'Brien, DVM, CIM

Vice-President, Portfolio Manager & Wealth Advisor

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Born in 1963, Patrick is the youngest of 5 children.  Patrick graduated with distinction from the Western College of Veterinary Medicine (WCVM) in 1987.  Of his scholarships, he is most proud of the Citizenship Award given to a veterinary student on the recommendation of his/her peers. He is a member of the Canadian Veterinary Medical Associations.

Before settling in the Comox Valley in 1992, Patrick worked in a variety of mixed practices in Nova Scotia, Alberta, and parts of British Columbia.  He built a business from the ground up called "Tsolum Mobile Veterinary Health Ltd" which he sold it in 2003 to join his fiancée in the Fraser Valley. 

Patrick also has a strong background as a businessman in the public market arena.  He developed a start up technology company from a set of electrochemical patents to the pre-public company stage on the US market.  

Over the years, Patrick has backpacked extensively in Asia, Australia, Europe, and North America.  He maintains a strong interest in world environmental, political, economic and social developments.  Patrick uses these personal experiences extensively in his disciplined style of investing.  He is a committed Rotarian with the Meadow Ridge Rotary club and was awarded a Paul Harris Fellowship in 2007 for his work on the Shelterbox program.

Some people wonder why Patrick would leave veterinary practice.  Family is very important to him and the mix of home and the profession is difficult even if one has a stay-at-home partner.  After a serendipitous meeting with his future wife Stefanie at a veterinary conference in 2001, they decided that their children would be their number one priority. He and Stefanie realized that they could not both be involved in 24/7 active large animal practice and devote the required time to their children.  Stefanie already had a thriving practice, so Patrick decided to pursue his love of preventative medicine on a new species – personal finance.  This decision has allowed Patrick to have a family and continue his career in finance.

Cameron Mackenzie CPA CFA Investment Advisor

Cameron MacKenzie

Investment Advisor

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Born and raised in Vancouver, Cameron is client-focused and offers a comprehensive approach to wealth management. Prior to joining RBC Dominion Securities, he was an Accountant for a major international accounting firm, as well as a local firm.  Throughout his career, Cameron has gained a wide array of experience, which has formulated his conservative and efficient approach to investing.

Cameron is a Chartered Accountant and a CFA Charterholder. He holds a Bachelor of Science degree in Business Administration from Oregon State University, where he played on the Men’s Golf Team and achieved Pac 10 All American status.

Celine McKay Associate

Celine McKay


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Celine has over 15 years’ experience as an Associate at RBC Dominion Securities.  She joined RBC Dominion Securities in 1999.  Prior to joining Patrick O’Brien in 2011, she was an associate at RBC Dominion Securities at the New Westminster Branch.  Celine has completed industry courses including the Canadian Securities Course, Conducts and practices Handbook Course and Professional Financial Planning Course.

In her role as a licensed Associate, Celine ensures that the team maintains a high level of client service and efficiency in handling our day to day operations.   Her experience and expertise means our clients can confidently approach Celine with all of their account inquiries.  In addition, she helps clients access the appropriate wealth management resources available at RBC Dominion Securities.

Photo of Tanner Hassell

Tanner Hassell, BBA, CIM


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Tanner joined RBC in 2019 after starting his career two years prior at a competing wealth management firm in Vancouver. Tanner is dedicated to ensuring our clients have a sense of security and strives to exceed expectations while delivering exceptional client service.

Tanner is fully licensed and holds the Chartered Investment Manager (CIM) designation. Prior to joining the industry he completed his Bachelors of Business Administration with a major in Accounting and minor in Economics. Tanner lives in Langley and when he isn’t working, his hobbies include lifting weights, hiking, and participating in various exercise classes.

Brooklyn Nikiforuk


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Brooklyn joined our team in July of 2020 after successfully completing her Financial Management Diploma through BCIT.

Brooklyn strives to make great personal connections and a positive experience.

In her free time Brooklyn enjoys spending time outdoors with her dog, or if she must be inside, she is likely painting or baking.