Our Team

Heather Tetzlaff

Executive Director
Heather has been in the field for approximately 20 years and came to CLASI in 2016. She received her Rehabilitation Diploma in 2004 and is currently working on her Bachelor of Professional Arts - Human Services. Outside of CLASI, Heather is married to a farmer with three young boys. Lots of her time is spent at the hockey rink, archery range and any other adventures her sons take her on. When Heather has time to herself, she enjoys spending time with her horses, dogs, practicing yoga and reading.

Frances Messier-Demers

Manager of Family Support
Frances has worked at CLASI for over 29 years. She has 3 children and 5 grandchildren. She loves working with the families. Frances admires families strength and tenacity.

Kristi Weeks

Administrative Assistant

Serena Russell

AISP Coordinator
Serena started at CLASI in March 2019. She has worked in this field for approximately 16 years and loves working with people! The only way to describe Serena is that she is a people person and loves helping everyone! Outside of CLASI, she lives in Saskatoon with her husband and teenage son. She has three adult daughters and three beautiful grandchildren. Besides loving people, Serena is an avid dog and cat owner. She has three German Shepherd cross dogs and one kitty!

Darla Janzen

Family & Youth Support Coordinator
Darla started at CLASI in September 2019. She completed the Rehabilitation Worker Certificate and has been in the field since 2007. Outside of CLASI, Darla has two children, a super cute dog and a cat. Darla has tons of real life experiences working with individuals with disabilities, as her son lives with a disability. She feels very fortunate to have had met many wonderful supports and advocates throughout raising her son and strive to provide the same level of supports that she received over the years.

Dakota Lawson

AISP Coordinator
Dakota has been with CLASI since 2021. He has been working in the field for over 10 years. A self proclaimed hype man, Dakota wants to make sure that everyone feels like they belong. He has 3 dogs and a wife who wants more dogs. In his free time, he enjoys board games and driving his Mustang.

John Lennon Souza

SILP Coordinator
John joined CLASI in 2021. He previously has eight years of experience with healthcare administration and has a degree in Logistics with an emphasis in Company Administration. He believes in treating everyone with kindness, respect and enjoys helping others. Originally from Brazil, John moved to Saskatoon in 2021 with his husband Fillipe. In his free time he enjoys hosting dinner parties with friends, watching movies and going on trips.