
Meet Our Fabulous Gymnastics Coaches
All our staff have passed their NSW working with children check and hold current first aid qualifications.
Tamzin McSweeney
Owner & Programme Director
Tamzin is Gymkidz's founder and programme director, passionate about helping children build confidence, coordination and movement skills through gymnastics. Her vision is to build a stronger foundation for gymnastics as a sport.
She is a qualified International Women's Artistic Gymnastics coach (FIG level 1) and holds an Advanced Coaching Accreditation through Gymnastics Australia.
Beyond gymnastics she is extremely passionate about championing the role of small, locally owned businesses in creating strong, supportive communities.

Kristina Knaggs
Team Lead
A proud Newtown local and mother of two, Kristina has been leading our team at Gymkidz since January 2022. A former competitive gymnast in England, she then deepened her understanding of child development as a Primary School Teaching Assistant.
Kristina brings a diverse background to her role as our team leader and is passionate about harnessing the power of gymnastics to enrich children’s lives both in and out of the gym.
She loves fostering a supportive environment for our coaches and strengthening our local Gymkidz community.

Jo Tipler
Recreation & Kindergym Coach
Jo’s love for gymnastics began in England, where she competed in acrobatic gymnastics at a regional level. She is passionate about helping children build strength, confidence, and a love of movement through gymnastics, and loves sharing her knowledge and enthusiasm with the Gymkidz community.
Jo has a personal passion for health and wellbeing, is a qualified yoga teacher and loves ocean swimming.

Allie Koldeway
Recreation & Kindergym Coach
Allie comes to Gymkidz with more than five years of experience coaching gymnastics in the United States and many more years of experience as a competitive gymnast and ballet dancer herself. She loves encouraging kids to develop their talents in the gym and try things that are new to them. Allie is currently doing a research degree.

Stella Robertson
Recreation & Kindergym Coach
Originally from Gunnedah, Stella moved to Sydney to study a Bachelor of Design in Architecture at UTS. A former Women's Artistic Gymnastics athlete who competed through to National Level 10, she has been coaching since 2022.
​Stella loves helping children discover what they're capable of and watching their confidence grow as they master new skills. Outside the gym, Stella is very active in gymnastics, cheerleading, touch football or out for a run and she brings that same enthusiasm and energy into every Gymkidz class.

Natalie Heaydon
Recreation & Kindergym Coach
Originally from New York City, Natalie has been passionate about gymnastics since she was just 3 years old. She competed up to Level 6, building a strong foundation in the sport she loves.
With several years of experience working with children through babysitting and coaching, Natalie is known for her warm, encouraging approach. She’s dedicated to helping every child build confidence, skills, and a lifelong love of movement.
We're always on the lookout for amazing coaching talent. Get in touch about our casual or part-time roles currently available
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