Greetings, Sauwanee here, and I represent Britishpedia Media Group Sdn. Bhd.  It is with great pleasure BritishPedia Media Group to invite Sandra Sii, Founder of Sandra Fitness & Nissi Publishing to be included in our encyclopedia book of “Successful People in Malaysia & Singapore”, and it is for our 7th Edition. Therefore, we would like to invite you to join our biography interview session in sharing the story of your career in this field which will be published in every Malaysian state library & Singapore national library as a form of encyclopedia. The entry and the interview sessions are both free of charge.

 

Name: Sandra Sii Hie Kiong

Pseudonym: 徐慧娟 Sandra Sii

Occupation:  Zumba Fitness Instructor, Website Engineer, Entrepreneur, Sole Owner / Managing Director of Sandra Fitness and Nissi Publishing

Born: Kuching, Sarawak, Malaysia, 23.12.1981

Parents: Sii Chieh 1958; Wong Yiik Siong 1957

Marital Status: Ruoxin Zhang 1974

Children: Zhang Xing Zhi 2009

Great Ancestors: Her grandfather, Wong Eng Ngok, is a highly successful entrepreneur and investor. His passion in social welfare and dedication to community service inspires her, and he continues to be her role model to this day

 

Education:

2005 – 2006 Master of Computing and Information Technology, University of New South Wales, Australia

2003 – 2004 Master of Science in Computer Science at Oxford Brookes University, United Kingdom

2002 – 2003 Bachelor of Science in Computing and Information Systems at Oxford Brookes University, United Kingdom

2000 – 2002 Advanced Diploma in Computer Studies, Network and Communications at Informatics Malaysia

1994 – 1999 SMK Bandar Kuching No. 1, Sarawak, Malaysia

1988 – 1993 SRB Chung Hua Pending, Kuching, Sarawak, Malaysia

 

Career:

2004 – 2024 Founded Nissi Publishing in 2004, a company that offers website development, maintenance, admin training, technical support and other related services. With her qualifications and expertise in the sector, they have helped many clients with their comprehensive offering

2018 – 2024 Diversifying from her undertakings as a website engineer, she became a Zumba fitness instructor, diet and nutrition therapist, and relationship coach. Sandra began her journey into the world of fitness, particularly Zumba (a fitness program usually known for being a fun and high-energy exercise), and founded Sandra Fitness in 2018. The company is dedicated to fitness, diet, and relationship coaching revolving around health, wellness, and family. With her qualifications and extensive experience in the field, she pioneered and created other forms of Zumba, namely, Rejoice Zumba and Family Zumba, designed for people within the age range of 5 to 65, catering to various fitness levels. These creations of hers have made Zumba more accessible and enjoyable for families through the integration of fitness, diet, emotional, and other aspects of well-being. Sandra has been dedicating her life to helping others build physical and mental resilience in the pursuit of well-being and happiness while still balancing her IT career

 

Companies ownership:

Sole owner and founder of Sandra Fitness; Sole Owner and Founder of Nissi Publishing

 

Writing and Creative Works:

Sandra publishes food recipes with informative notes on nutrition and health on her own award-winning Sandra Sii’s Cooking Diary website at cook.sandrasii.com 2021 – 2024

Sandra Fitness website contains various information on physical health, mental health, and diet, showcasing her stories, services, and endeavors in the well-being sector at sandrazumba.com 2021 – 2024

Sandra Fitness Membership System is a website that she publishes and maintains to directly offer virtual classes and consultation such as providing online Zumba sessions, dietary planning, and relationship coaching. She has also published lots of training and educational materials in the forms of text, video, and audio for her courses at sandra.fitness 2020 – 2024

Writes and publishes her life stories and personal experiences on the website, Story of Sandra Sii at story.sandrasii.com 2014 – 2024

 

Civil and Social Actives:

Sandra often provides free Zumba classes and participates in major events for Zumba as a presenter. Among the events that she has previously joined include Tunku Putra-HELP International School Sports Day Zumba 2020 and Kuching Zumba Fiesta in 2020, 2023, and 2024. Her Charity Zumba program provides free monthly Christian Zumba session for everyone aged 5-65, and Forever Free Zumba has been run for kids aged 12 and below since 2023

 

Awards:

Honored with the Sarawak Emerging Startup Entrepreneur Award 2020

JCI Pearl Women Entrepreneur Award- Best Innovation Award 2024

Winner of Malaysia Website Award Site of the Month 2021

Malaysia Website Award- Public Favourite Site 2022

 

Memberships:

Junior Chamber International (JCI), Padawan Member

 

Achievements:

Driven by her desire to help families alleviate chronic illnesses and prevent relationship breakdowns, she has led more than 600 Zumba classes, memorized the choreography of over 300 songs, and created 25 versions of Zumba courses, recorded 20 online Zumba courses. Her offering focuses on accessible exercise solutions both at home and abroad. Every class she teaches not only benefits her own health, but also improves her students’ physical and mental well-being. Encouraging her students to maintain regular exercise, she has witnessed firsthand the impacts of her teaching and how it contributed to their happiness while fostering harmony within their families 2018 – 2024

 

Language Skills:

English, Malay, Mandarin, Cantonese, Foochow, Hokkien

 

Hobby:

Her hobbies include playing musical instruments such as piano, guitar, electronic organ, yangqin, and guzheng. She also loves to sing and reflect on her artistic side

 

Personal Magic Moments:

In 2018, Sandra was diagnosed with an autoimmune disease. The news was life-altering as her doctor informed that the disease was incurable. However, the severity of the symptoms would depend on her lifestyle. Previously, throughout her life, she had mostly focusing on her studies, career, and caring for her family to the point that she would sometimes neglect her own physical and mental health. The diagnosis marked a turning point, leading her to give more focus on herself. Since then, her journey with Sandra Fitness has never stopped as she continues to coach others in their pursuit of healthier, happier lives. Determined to find peace with her illness and to avoid burdening her family, she embraced a new mission: to prioritize her health while continuing to support those around her. That was when she embarked on her journey into the world of fitness, particularly Zumba, and founded Sandra Fitness. Today, Sandra is generally in good health and continues to manage her autoimmune condition

 

Other Activities:

Sandra has published charity websites, providing free website services for a number of churches, Christian organizations, kindergartens, and for Befrienders Kuching, suicide prevention and emotional support organization

 

Secret Of Success:

Sandra’s passion for Zumba took her across Australia where she had earned multiple licenses and qualifications to teach Zumba to various age groups. She eventually tailored her approach to better meet her students’ needs. However, her journey was not without challenges. In 2023, an old knee injury resurfaced, threatening to halt her progress. Undeterred, she spent two months recovering and, after receiving reassurance from her doctor, resumed teaching classes. Her determination and resilience do not stop there. She also went on to earn the British Nutrition and Diet Therapist Certificate and completed the Certificate of Relationship Coach (University of Sunderland in Hong Kong). These qualifications further fueled her mission to promote health and wellness; Her passion in IT and website development has allowed her to serve customers from Singapore, Malaysia, and Australia by helping them build and maintain their websites in the past 20 years. She has also been able to help them with website admin training, making her clients capable of maintain their website contents

 

Web:

sandrazumba.com, nissipublishing.com.my; PSN: Zumba By Sandra Sii – Sandra Fitness

Since August 2018, Sandra has served more than 300 students, conducted over 700 offline classes, and taught using more than 400 songs.

Studio Classes in Malaysia: AEON Mall Kuching, Level Up Fitness Xpress, Burn Baby Burn Studio

Every Monday at 8:30 PM, every Friday at 8:30 PM, and every Sunday at 3:30 PM — each class lasts 1 hour (except on public holidays)

Every 4th Sunday of the month at 4:30 PM – Joyful Zumba (Free for all)

 

View our class photos: Year 1 | Year 2 | Year 3Year 4 | Year 5| Year 6 | Year 7 | Year 8

600 Classes Celebration – Student Testimonials:

 


Studio Classes in Sydney, Australia:  Chatswood  

Due to the Covid-19 pandemic, studio classes in Australia will be suspended until further notice

喜乐尊巴 Christian Zumba

Date / 日期 :28/9/2025
Every 3rd Sunday 每个月第3个星期日
Time / 时间:4.30pm – 5.30pm
Venue / 地点: 古晋 Kuching Aeon Mall, Level Up Fitness Xpress Burn Baby Burn Studio (Next to Mr DIY隔壁)
Instructor / 教练:Sandra Sii 徐慧娟老师

16首赞美之泉诗歌和国际流行曲,配合尊巴舞步,让 5+到60+能顺利完成一个小时运动,解除压力、疲累和忧郁的心情。只开放25个位子。

请提早WhatsApp联系老师报名+601116173373。


Sponsored by Ching Kwong Methodist Church Young Adults Cell Group

Zumba is a healthy and stylish fitness class that combines music with dynamic, easy-to-learn movements and interval cardio. Zumba is a fitness workout evolved from dance. It combines various South American dance steps such as Samba, Cha-cha, Salsa, Flamenco and Tango.

The word “Zumba” originated in Colombian slang meaning “quick movement”.

A Zumba fitness class is divided into several stages with different rhythmic intensities. Even people without any dance foundation can find relaxation and fun.

16 songs with the combination of Stream of Praise Songs and international pop songs, combined with Zumba dance steps, allow 5+ to 60+ to successfully complete an hour of exercise and relieve stress, fatigue and depression.

Welcome to bring your family and friends to experience Zumba for free


Free Online Christian Zumba

If you cannot join us and would like to stay at home, workout with our 1 Hour Online Christian Zumba.

如果您无法参加我们的线下尊巴,您可以跟着我们的一小时喜乐尊巴线上课运动。

 

如何上课? 1. 预备一瓶水和小毛巾擦汗,穿运动服和鞋会是最舒服的穿着。 2. 不分左右,像照镜子一样跟着我跳。每首歌之间暂停视频,喝水和擦汗。 3. 吃饱后两个小时跳,会是运动最舒服的时间。

How to attend class? 1. Prepare a bottle of water and a small towel to wipe off sweat. Wearing sportswear and shoes will be the most comfortable outfit for workout. 2. Regardless of left and right, follow me and dance like looking in a mirror. Pause the video between each song, drink water and wipe off your sweat. 3. Two hours after eating will be the most comfortable time for exercise.

Story of Christian Zumba 小娟尊巴

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2022年圣诞节,徐慧娟老师决定把自创的《小娟喜乐尊巴》- Christian Zumba by Sandra Sii永久免费送给大家。15首赞美之泉诗歌和尊巴舞步的结合。希望可以帮助你和身边的人一个小时内通过运动消除焦虑、忧郁和不快乐的心情。这是一份永久无限期的圣诞礼物🎁 希望可以把忧伤的人变为喜乐。如果你觉得对你有帮助,你喜欢的话,请分享给身边的人,让其他更多不快乐的人能在一个小时恢复喜乐的心。

On Christmas 2022, Sandra decided to give away her own “Christian Zumba by Sandra Sii” for free forever. A combination of 15 Stream of Praise songs and Zumba steps. Sandra hopes it can help you and the people around you to release anxiety, depression and unhappiness through exercise within an hour. This is a permanent and indefinite Christmas gift 🎁 Hope it can turn sad people into joy. If you think it is helpful to you, and if you like it, please share it with the people around you, so that more unhappy people can regain their joy in an hour.