Coaches & Directors

We are here to support your needs. If your questions are related to workouts, meets, events, goal setting, and other swimming related needs, please contact one of the coaches. For all questions related to administrative, such as dues, safety, or policy issues, please contact one of the board members.

Coaching Staff

Lesley Serediak

Interim Head Coach (High P/Performance)


At the 2013 Aquatics Banquet Conference, Lesley was recognized for her work and took home the Age Group Coach of the Year award. This top award is presented to the Alberta coach who works with swimmers who are primarily 14 and under. Lesley's greatest strength is her consistency in getting her swimmers to achieve their best performances at provincial and national level championships.

Lesley is a certified level two coach and continues to pursue further education in her chosen field. Currently she is working on attaining her competitions coach certification. She has been selected to represent Team Alberta as a coach over 10 times and last year was a stroke coach for the Prospects West and the North/South Swim Camp.  It is her belief that age group swimmers should excel in all four strokes and have great technique. She also believes that with hard work, all swimmers can achieve their goals. Lesley's aim for the upcoming season is to help all her swimmers succeed and reach their personal goals.

When not on deck, Lesley enjoys her time spent with husband Troy, and two sons; Tyler and Shane as well as her three dogs.

With more than 23 years of coaching experience, all in the Edmonton area, Lesley is back on deck for another season with the Olympians. We are looking forward to hearing her loud familiar whistle, in all its pitches, as she goes about her coaching duties.

Ryan MacDonald

Age Group Performance Coach


Coach Ryan is excited to join OSC for another season. 

Coach Ryan is a Level 3 certified member of the American Swim Coaches Association and holds a Bachelor of Science in Sport and Health Science.  He has been positively impacting young athletes of all ages and abilities that love to swim since 1998. With over 15 years of coaching experience Ryan has a solid perspective towards understanding and preparing athletes for a successful future in swimming and in life.

During the course of his career, Ryan has coached an event winner in every stroke and distance--including Open Water--in state & regional level championships in the US. Many of the age group swimmers he has coached have gone on to swim in NCAA schools of all divisions and reach the national stage.

In addition to his work on the pool deck, Ryan’s love of the sport of swimming has led to his serving as a zone coaching staff member, clinic speaker, and has resulted in his being active on numerous board & committee positions all relating to swimming.

Ryan ilives in Edmonton with his bride of over twenty years Heidi and their three children Kate, Liz, & John. 

Danielle Marks

Performance Development Coach


The Olympian Swim Club is pleased to welcome Danielle Marks as our new Performance Development Coach. Previously with the Sherwood Park Stingrays, Danielle is a certified personal fitness trainer as well as swim coach. During the past few years, she has worked with a wide range of clients and athletes looking to improve their fitness and overall health.

Danielle is currently a competitive triathlete who competes in Olympic and half-ironman distance triathlons which has given her a lot of hands on knowledge into the science of athlete conditioning. That being said, physical literacy will play a very important role in Danielle's instruction and one of her goals is to provide her swimmers with ongoing education and competency so that they may establish a more fulfilled life.

Through the development of Danielle's personalized swim program, the unique goals and aspirations of each swimmer will become her top priority. Danielle feels that striving to meet these goals in each swim session not only strengthens the body but the character of the individual and that each session gives a sense of accomplishment and pride that is carried throughout the day.

Blair Hughes

Fountain Park JAG Coach


Blair is excited to be back coaching with OSC for the 2016-2017 season. He will be taking on a new role as the Fountain Park JAG coach in the fall and is excited for the chance to work with the new group.

Coach Blair attended the University of Alberta finishing with a Bachelor of Physical Education degree in 2006. In 2008 he returned to Medicine Hat where he took up his position as assistant head coach with the Alberta Marlin Aquatic Club. While there, he went on to assist the program in growing to be one of the best small clubs in Canada. In that time Coach Blair served in helping numerous swimmers become provincial champions/medalists/finalists and provincial team participants. In his time as a swim coach, he was privileged enough to directly assisted the Head Coach in coaching provincial record holders, national age group champions, and national team members.

Outside of swimming, Blair has been competing in triathlons over the last eight years and has taken his passion for the sport into helping others. As a trained community triathlon coach, Blair has combined his education and experience to help other triathletes become faster and more efficient in the water. Coach Blair loves helping guide others in achieving/exceeding their goals and looks forward to the opportunity to do so with OSC.

Coach Blair lives north of the city with his wife Jeanine (who is in massage therapy studies) and; their two boys Mikai and Owen

Jessie Lavallee

Fountain Park OW Coach


The Olympian Swim Club welcomes back Jessie Lavallee who will be taking on the duties of coaching our OW group at Fountain Park. Jessie has spent the past two seasons coaching at the Olympian’s Mini O’s level and using her words “is stoked” to now be moving up to the competitive side of the program. Jessie swam competitively with our club for three seasons while competing for Ross Sheppard High School in the Edmonton Metro Athletics Association, where she served as team captain for two year in a row.

Her passion doesn’t only manifest itself in the competitive swimming world, but also in her love for working with kids. As time allows, she works as a lifeguard and a swim instructor throughout the year with the YMCA of Northern Alberta, and spends her summers working as a Day Camp Counselor with the YMCA.

Jessie is starting her first year at The University of Alberta, where she will be pursuing her Bachelor of Education Degree in Elementary Education. Jessie brings her enthusiasm and knowledge to the pool deck knowing she is going to help young swimmers develop into better athletes and assist them achieve their own personal goals.

Katelyn MacLeod

Fountain Park JOW Coach


Katelyn MacLeod began swimming at the age of 5 with the Olympian Swim Club and her love of swimming is still going strong. To give back to the sport, Katelyn is coming back for her fourth year of coaching by assuming the role as the new JOW coach at Fountain Park pool.

Katelyn believes that teaching young swimmers the value of hard work, determination and team work, is very important and the sport of swimming provides all that and more. As a former competitive swimmer with the club, she is looking forward to passing on her love of swimming to the next generation of young swimmers. 

When not at the pool, Katelyn can be found at MacEwan University where she is currently in her fourth year. 

Samantha Diminutto

Scona JAG Coach


Loubna Laaouaa

Terwillegar OW Coach


Julia Marchand

Terwillegar JOW Coach


The Olympian Swim Club is pleased to welcome back Julia Marchand as the JOW Terwillegar coach for the upcoming season. Julia is no stranger to the club having spent 10 years as a competitive swimmer for the Olympians. She finished her competitive career competing at the Western Canadian Championships in the Butterfly events. In ending her competitive career, Julia hopes to pass on her love for swimming to the kids just starting out and hopes they enjoy it as much as she did. Her goals for the swimmers include teaching proper technique, building speed and encouraging them to make the most of the experience. With her infectious enthusiasm for the sport that she loves, we have no doubt that the JOW's at Terwillegar are in for another great season.

Lindsey Thomas

Mini O's Program Director


Lindsey has been involved in the Edmonton swimming community for over 10 years, first as a coach, then as a massage therapist and currently in administration. For three years Lindsey was a satellite pool Head Coach with the Edmonton Keyano Swim Club, spend one year as the Head 10 and Under Coach with the Cascade Swim Club and then joined the Olympian Swim Club in 2007 as the JOW coach for two seasons.   

Lindsey is a registered massage therapist and currently works with the High Performance Group throughout the year.  In 2010, she took over the role of Team Administrator and maintains the daily office operations of the club.

Lindsey’s commitment to excellence in the club can also be found in the new Mini O’s program for the little swimmers. She oversaw the restructuring of the program which now incorporates many of our club values and goals and provides a much smoother transition to our competitive program.

Outside of the office and deck Lindsey enjoys spending time with her family at their cabin at Seba Beach