About Justin Jeffery 

Over the past 9 years, Justin has worked with great effort to build a team to service clients at the absolute highest level. In doing so, Justin has created a 90% referral-based business which has shot him into the Top 1% in Canada, and awarded a spot on the Top 25 Teams in Canada list by Keller Williams. 

When it comes to marketing, Justin has a truly competitive edge. Prior to real estate, he gained marketing experience on a national level from one of Canada’s largest brands in print and digital marketing which he directly applies to promoting his Real Estate clients’ properties. 

Justin is proficient at leveraging online marketing and social media to broaden his reach, and target his client’s ideal buyer. Applying new, cutting edge marketing tools and technology, Justin’s highly creative ideas for impactful listing campaigns have truly made for a stand out sales approach. With these efforts, Justin is able to get thousands of additional views which lead to incredible results for his clients.
As an agent, Justin is a strong and strategic negotiator. He quickly and accurately analyzes his clients’ property and understands their goals in order to create a solid and realistic marketing plan for focused, reliable results.

“When you are my client, I want you to feel like you are my only client, and that you have all of my attention. You might not remember everything I say, but it is my goal to make sure you remember how I made you feel during the process, and how important you are to our team even after you receive your keys”.

About Jill Johnson 


Jill has over 30 years of experience selling residential and commercial real estate, 18 of which in Halton Hills. She is a major asset to our team with experience in all types of markets.. hot markets with multiple offers, soft markets with very high interest rates (can you believe 20%?) where the only way to sell a house was with "creative financing", and also in more balanced buyer/seller markets. Jill has worked with first-time buyers, power-of-sales, estate (recreational, farms, vacant land), in-town property and condominiums.

Jill is very involved in the community with a strong interest in environmental issues and preserving the natural habitat. She enjoys the many amenities our community has to offer from racquet clubs to hiking trails with her two dogs.

If you are considering buying or selling real estate in and around Halton Hills, Wellington County and Caledon, Jill can help! Call her today to find out how she can assist in achieving your real estate dreams and goals.

About Karen Vandersluis-Marshall 


Karen is an award-winning realtor with Jeffery Group and Keller Williams. Having grown up in South Mississauga and later moving to Halton Hills, Karen has extensive knowledge of the homes in the Greater Toronto Area. Karen is able to provide our clients with the best possible support and guidance during the buying and selling process.

Her interior design eye gives her the ability to maximize the potential of each home, and provide clients with a comprehensive plan for Jeffery Group to stage. As a seller, Karen will help to showcase your home in a way that allows potential buyers to see its full value. As a buyer, Karen will help you to envision your dreams in another home.

When Karen is not working to find clients their dream home, she spends her time volunteering in the community, and with her three daughters, husband, and fur baby! Karen's warm personality, professionalism, and experience make her a perfect fit for both Real Estate and Jeffery Group.

About Julie Branco 


Since 2009, Julie has been blessed to excel in her career in real estate. Helping people through the process of buying/selling their largest investment is a passion for Julie, and fulfills her love of teaching, and nurturing relationships.

Julie grew up in Etobicoke and currently resides in South Mississauga with her three children and two dogs, Harvey & Ollie. Her experience in real estate has taken her all over the Greater Toronto Area, and her desire to assure that her clients find the perfect home in the perfect location has resulted in her extensive knowledge and experience in numerous cities within an hour and a half of Mississauga.

Julie loves her clients, and it shows with her after transaction care. In her own words, "the best and most rewarding part of my job is becoming lifelong friends with my clients". When Julie is not working with her amazing clients, she enjoys spending time with her family and friends, and sharing meals with her favourite people. 

About Will French 


Will brings over 20 years of sales and management experience to the Jeffery Group team. Previous to becoming a real estate sales professional, Will worked as a financial advisor, and later transitioned into the role of automotive finance manager where he worked his way up to become district general manager. Will takes great pride in his client relationships and creates an experience that is focused on achieving client goals through strategic planning, tactful negotiations, and leveraging his professional network. When asked, Will had this to say about what it's like to work with him: "I genuinely enjoy helping people grow and achieve personal success. I am direct in nature, and always put my clients and their goals at the forefront. At the end of the day, we are a team with the same objective in mind-- maximizing value and making sure everyone feels heard, valued, and supported. It is my professional goal to ensure that our experience working together leads to me acting as your real estate expert, and that you feel confident referring me to your family and friends". In his leisure time, Will enjoys sailing out of the Lakeshore Yacht Club (LSYC). You can find him racing in high level competitions, or simply cruising with his friends and family. 

About Veronica Hissem 


Veronica has a passion for moving! Having moved six times over ten years herself, she has an in depth understanding of what buyers and sellers go through. Her experiences also give her great familiarity with many cities and towns throughout the Greater Toronto Area and beyond. In her previous careers, Veronica worked in education and health care. Ensuring her clients have the information necessary to make informed decisions is of utmost importance to her. Yes, buying and selling a home can be stressful. Fortunately, Veronica has a lot of experience helping families navigate through stressful situations and will guide you every step of the way! She is an adventurer at heart. When not working in real estate, you can find Veronica exploring the outdoors or on the water with her husband and two boys. 

About Ashley Dwyer


Ashley leads the administrative ‘Dream Team’ at Jeffery Group with a focus on Client Care and Team Coordination. As a life-long resident of Halton Hills, Ashley continues to work in the community she loves to call home. With 10+ years in Real Estate administration, Ashley’s attention to detail and care in transaction coordination and listing preparation makes the process effortless. Ashley is a true team player and takes great pride in assisting with all of the hands-on services that Jeffery Group provides to their clients. She looks forward to supporting you every step of the way as you find your dream home!


Samantha Statham


Samantha manages our entire marketing portfolio using her 10+ years of experience to build increasing awareness of the Jeffery Group brand. As our in-house creative digital guru, Samantha is skilled in communications through social media and content creation and is passionate about graphic design. She loves photography and is starting to master videography in the Real Estate field. This experience is only part of what makes Samantha a gift to the 'dream team' at Jeffery Group. She also has extensive event planning experience both in managing and executing community events. On the personal side, Samantha is dog-obsessed, always looking for the next new restaurant to try in town, loves to travel, and watch live music.


Cheryl Nelson


Cheryl has been involved in the world of interior design since 2007. She started her career working in visual merchandising and quickly realized her love for transforming spaces. With an eye for design, Cheryl decided to take the leap and turn her passion into a career by going back to school for a diploma in Interior Decorating & Home Staging. She has staged and decorated many homes with great results, and attributes her high level of success to collaborating with clients and incorporating their collective vision, keeping up with design trends, and staying consistent with product knowledge to create an efficient and effective outcome.