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 our Team manager.

Coaching Staff

Don W Lemieux

Head Coach


Don Lemieux was the Head Coach of the Greenwood Swimming for over 36 years and is now serving as the owner and Head Coach of Greenwood Swimming. An ASCA Level 5 Coach, Lemieux has coached swimmers to the Olympic Sports Festival, USA National and Junior National Teams, including Samantha Arsenault, a 2000 Olympic Gold Medalist, and Erica Meissner, a 2004 US Open Champion and 2005 Junior Pan Pacific Gold Medalist. Lemieux has also coached 16 Olympic Trial Qualifiers, 41 H.S. All-Americans, and many Scholastic All-Americans. His teams have won countless Age Group Championships and Senior Championships as well as the 1996 US Open Women’s Team Champions. Uner the guidance of Coach Lemieux several New England Records have been broken.

As coach of the Gardner High School girls’ team his girls have won 15 consecutive State Championships and a total of 16 and 134 consecutive dual meets without a loss. Lemieux’s swimmers held 9 out of 11 high school state records. Coach Lemieux served on the National Junior Team staff and has coached several USA training camps. Coach Lemieux is on the Board of Directors for the International Swim Coaches Association.

Lemieux's  team goals are to create a team atmosphere of young athletes that thrive on challenges, both academic and athletic.

Don is a graduate of Springfield College (B.S.). He and his wife Patty have 2 children, Tricia and Donny, and reside in Gardner, MA.

Diana Ringer

Age Group Coach - Central YMCA and WPI


Diana was the Aquatics Director/Coach (11 years) for the Clark Memorial Pool. She brought her enthusiasm, experience, love of swimming and of children to the Greenwood program. Diana is one of the coaches in the Age Group Development level and Director of the Greenwood Learn to Swim Program and Recreational Swim Team Programs.  In addition, Diana coached the Special Olympics Greenwood team.

Henry Ramirez

WPI Age Group Coach


Henry came from Venezuela in 2011 to continue his swimming career that began in 1994. As a swimmer, he attended National Championships and then again for 3 years as Head Coach of Tovar’s Swimming Club. He has experience teaching beginner, intermediate and advanced swimmers. During his coaching career his swimmers have participated in Age Groups, Easter Zones and achieved Top 6 Best Swimmers of New England. He received the Best National Championship Coach award in 2010 and holds a bachelor’s degree in Physical Education from UPEL in Venezuela. His hobbies include playing tennis and other sports, entertaining his baby boy and spending time with his wife and friends.


Dominik Vojtech Danko

Age Group Coach--Central YMCA Site


Laura Berg

Age Group Coach--Central YMCA Site