Our Team
Our friendly team has the experience and commitment needed to provide our clients with the exemplary service they have come to expect from us every time.

R. Mark TarBush
Lawyer
(Retired)

R. Mark TarBush
Lawyer
(Retired)
Mark was born in Barrie, Ontario, but moved to Listowel with his family in 1964.
He graduated from Listowel District Secondary School in 1971, Huron College at the University of Western Ontario with a BA in 1975, and from the University of Windsor Law School in 1980 with a Bachelor of Laws (LLB.). After articling, Mark returned to Listowel in 1982 to practice law and continued to practice in Listowel until he retired in 2021.
Mark's practice was primarily a solicitor's practice consisting of commercial and residential real estate transactions, estate planning and administration, and negotiating matrimonial and civil files.
We are very grateful and proud of his dedication providing legal counsel, friendship and advice to his clients, our community and our firm over the years. Our firm continues to thrive building on the solid foundation that Mark created during his time in practice.
Mark resides in Listowel with his wife Pam and they are the proud parents of two adult sons, Alex and Reid.

David C. Dickey
Lawyer
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David C. Dickey
Lawyer
David C. Dickey practices in the areas of Corporate/Commercial, Real Estate, Succession Planning, and Estate Administration.
David has a breadth of experience in commercial and residential real estate matters acting for purchasers, vendors, lessors, and lenders. He also deals with a range of farm-specific matters including tenders, mortgages, and family transfers, including those matters dealing with livestock or quota.
Dave enjoys sitting down with clients to create appropriate succession plans, drawing/drafting wills and powers of attorney to suit specific individual and corporate needs. He also does extensive work on corporate reorganizations, share and asset purchases and sales for small and medium-sized business, and incorporating and organizing privately held companies.
David was called to the Bar in 2009. He resides in Listowel but was born and raised in Vermilion Bay, Ontario. He attended the University of Western Ontario and earned a Bachelor of Administrative and Commercial Studies in 2005 and a Bachelor of Laws in 2008. Dave completed his articles with the Calgary office of Fraser Milner Casgrain LLP before returning to practice in Listowel.
Dave is a proud father of two girls, Evelyn and Norah. When he is not playing with his kids, Dave is an avid sports fan who participates in many recreational sports leagues in the area.
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Ross Arangio
Lawyer
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Ross Arangio
Lawyer
Ross is a local Listowel resident but is originally from Newmarket.
Ross graduated from the Sports Administration program at Laurentian University in Sudbury with an HBComm in 2015. He graduated from Osgoode Hall Law School in 2019 and was called to the Bar in 2020.
Ross is an avid sports fan and recreational athlete. He enjoys playing hockey, squash, slow pitch and other recreational sports. He also enjoys movies and television, board games, and trivia.
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Adam Topjian
Lawyer
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Adam Topjian
Lawyer
Originally from Toronto, now in Listowel.
Prior to Law school, Adam obtained his B.A. (Honours) from The University of Toronto, and a Masters of Industrial Relations from Queen’s University in 2013. He received his Juris Doctor (J.D.) from Queen’s University Faculty of Law and was called to the Bar in 2018.
After being called to Bar, Adam practiced in the areas of labour and employment law including litigation. Adam has a strong interest and practices in the areas of wills and estates, real estate, and corp/commercial law. Adam obtained his CEA (Certified Executor Advisor) designation in 2021 and enjoys helping clients with their estate administration as well as estate planning.
Adam is a member of the County of Perth Law Association.
Adam is a sports fan, and enjoys travelling, movies, podcasts, trivia and coffee.
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Heather Frank
Real Estate Clerk
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Heather Frank
Real Estate Clerk
Heather was born and raised in the Listowel area. After graduating from Fanshawe College, Heather joined the original firm of Benson, Giller Tarbush & Carter in 1985. Heather has extensive experience handling all aspects of real estate transactions.
Heather resides on a farm in North Perth with her husband and they have two grown daughters.
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Anita Carter
Real Estate Clerk
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Anita Carter
Real Estate Clerk
Anita resides in Perth East with her husband on their dairy farm. She has been with the firm since 2012 as a Real Estate Clerk bringing with her 9 years of previous experience in this field. In her spare time she enjoys spending time with her family and friends, reading, cooking and baking.
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Joan Hays
Real Estate Clerk
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Joan Hays
Real Estate Clerk
Joan is a graduate of Fanshawe College and has recently joined the Law Firm of TarBush Dickey Giller & Associates, bringing with her years of real estate/office knowledge and experience. Joan lives in Listowel with her husband and enjoys spending time with her family and friends.
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Jennifer Jacklin
Law Clerk
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Jennifer Jacklin
Law Clerk
Jennifer resides in Listowel where she was born and raised. She is married and has a teenage son. She has been employed with TarBush Dickey Giller & Associates Professional Corporation since 2006 and she is assisting reception and preparing wills and powers of attorney.
In her spare time, Jennifer enjoys boating, travelling and spending time with her family and friends.
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Tricia MacMillan
Corporate Clerk
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Tricia MacMillan
Corporate Clerk
Tricia joined TarBush Dickey Giller & Associates Professional Corporation in 2010 as the Corporate Clerk. She has worked in the field since 1995 and brought with her those years of experience and knowledge of incorporating and maintaining companies, corporate reorganizations, family succession plans involving corporations and purchases and sales of businesses.
Tricia is the happiest when she is in the outdoors – well… as long as there’s a hotel close by!
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Tess Lefor
Corporate Clerk
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Tess Lefor
Corporate Clerk
Tess grew up in the Listowel area. She graduated from Westervelt College with her Legal Administration diploma. She has 11 years of legal administration experience before joining us in 2015.
Tess now lives on a dairy farm near Brussels with her husband and three kids.
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Shelley Kerr
Corporate Clerk
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Shelley Kerr
Corporate Clerk
Shelley was born and raised outside of the Clifford area. She graduated from Conestoga College with her Law Clerk Certification. She has 10 years of previous experience working in the legal field before joining TarBush Dickey Giller & Associates in 2020. Shelley now lives in Clifford with her husband, daughter and cat, Pierre.
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Damaris Guimaraes
Corporate Clerk
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Damaris Guimaraes
Corporate Clerk
Damaris was born and raised in Brazil, where she lived most of her life. She went to Law School at the University of Brasilia, where she obtained a bachelor’s degree in law in 2016. Her area of expertise was mostly Tax Law, which she practiced as an intern and as a Lawyer before coming to Canada in 2018.
For the past years, she lived in Waterloo while her husband completed his master's degree at the University of Waterloo. In 2022, after being offered the opportunity to become part of the TarBush family, she moved to Listowel.
Currently, she works as a corporate clerk while furthering her law studies at the University of Toronto.
In her spare time, she enjoys having culinary experiences either by cooking or going to different restaurants to discover new tastes and cultures through their foods. However, staying in with her husband, watching a good history show on TV is always a welcome invitation.
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Karen McKenzie
Accounting Administrator
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Karen McKenzie
Accounting Administrator
Karen joined TarBush Dickey Giller in 2021 after moving to Listowel from the KW area and brings with her many years of bookkeeping and accounting experience.
She and her husband are proud parents of two young men and in her spare time enjoys being around nature, spending time with family and friends and exploring new destinations.
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Julie Nethercott
Administrative Assistant
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Julie Nethercott
Administrative Assistant
Originally from St. Marys, Julie now resides outside of Listowel. She graduated from Fanshawe College with a certificate in General Office Administration and brings to our office many years of experience providing excellent customer service and administrative support.
Outside of work, Julie enjoys playing baseball, spending time at the family cottage, experimenting in the kitchen, and taking part in outdoor activities.
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