Meet the team

What we build would not be possible without our amazing and talented team.


Corporate team:

Hal Walker


Hal has over 45 years experience in successful real estate investment and development. His companies have built world-class resorts and hotels, as well as residential and commercial projects in Western Canada, the USA and the Caribbean.

Johannes Van Leenen


Johannes van Leenen has been involved in building over 2000 homes throughout the past 25 years. He is a proven visionary and is leading the company to be one of Canada’s most sought after production home builders.  Johannes is very invested in community involvement including being a volunteer football coach for over two decades mentoring kids and coaches young and old. 

Gerry Mendyk

Executive Advisor and CFO

Gerry was a CPA, CMA for over 35 years and has senior financial management experience in a variety of industries. He has served as a senior financial executive in public and private companies and has founded several ventures in oil and gas, real estate and other industries. Gerry brings financial structuring, investor relations, and corporate governance skills to the team.

Jeff Finnemore

General Manager

Jeff has over 30 years experience in the new home housing industry. Ranging from obtaining his Architectural Technologist – Building Development Diploma combined with his attention to detail, construction knowledge, along with receiving numerous industry awards, Jeff brings a wide range of skills and strengths to the Madison Avenue Group team.

Garth Doyle

Estimating and Purchasing Manager

Garth has been involved in the Calgary and area residential new home industry for over 25 years. Working in several different operational management positions within the industry has allowed Garth to become an exceptional leader amongst his industry co-workers and trade partners alike. His level of knowledge developed over those 25 years and personal core values have proven to be a substantial asset for the Madison Avenue Group team. Garth loves spending time with his wife and two sons creating memories with a few laughs along the way.

Ronna Morrison


Ronna Morrison is our Controller. She is a CPA, CGA and has many years experience in the building industry.

Jamie Renaud

Senior Accountant

Jamie is a CPA, CMA with over 10 years of experience in corporate, construction and development accounting roles. He has led and built successful finance teams in multiple industries. Jamie brings excellent communication skills, solid accounting principals, and a strong sense of financial literacy to the team.

Scott Coquet

Architectural Technologist, Design Manager

Scott has 20 years of experience in the homebuilding industry and has his college diploma in Architecture technology. I have been a part of Madison Avenue Group team for 5 years, where I hold the title of Design Manager. I love the diversity of my job the most, where I not only get to be creative and solve problems, but I am involved in all aspects of research, design and drafting for the vast variety of projects.

Olivier Dufresne

Senior Architectural Technologist

Olivier has been with the company for 9.5 years and in the industry for 11. What I like the most about working here is the positive reinforcement and the fact everyone is allowed to share their opinion. What excites me the most to be at work is “bring your dog Fridays”!

Caren Mendyk

Marketing Director

Caren brings over 20 years of experience in brand management, marketing, and communications. She has a love for community engagement and cultivating a strong corporate culture. She has experience working with media, as well as industry experience in home building and land development.

Troy Olson

Lead Estimator

Troy has been with Madison for almost a year now.  He Started in the Home Building industry in 2009. I love seeing the variety of projects from preliminary planning through to possession.

Trevor Barton

Site Supervisor

Trevor has been our Site Supervisor for 7 1/2 years. He oversee’s the sites builds in
Okotoks, High River, Langdon, Strathmore and Airdrie. Trevor manage the builds from the ground up!

Kevin McCubbin

Construction Manager

Born and raised in Calgary, as a career residential construction professional Kevin has been intimately engaged in residential construction & development for some of North America’s premier developers. Leading teams of construction professionals is his passion, and he especially values opportunities to mentor and train ‘up and coming’ team members and takes great pride in witnessing their growth and success.  Kevin’s is squarely focused on build quality and customer satisfaction through detailed planning, clear communication, innovation, and in applying best practices to his builds.  

Sebastian Mokly

Warranty Technician

Sebastian has been working in the new home industry since 2003. He has experience within the warranty/deficiency department as a service technician and customer care representative. He is an excellent communicator, ensuring that customers receive the highest quality and satisfaction with their new home purchases. He loves his job and all the different challenges that come with it. 

Troy Yeske

Site Supervisor

Troy has worked in the Calgary residential industry since 2002 and loves what he does. Building homes for families is his passion he continues to learn new things every day in the industry.

Barb Johnston

Reception & Warranty Coordinator

Barb brings a wealth of business administration experience to our Company, working in procurement, logistics and finance before joining our team. “Working with clients, both internal and external is something that I love and am very passionate about. “I’m a real people person and love interacting with everyone – it’s what I love most about my job.” I love spending time with my family and friends and love golfing, attending classic car shows in my vintage Camaro, gardening and being out on the lake in the summer.

Sales team: