OBA Coaching Team
International coaching experience, proven competitive backgrounds, and a shared commitment to athlete development at every level.
Head Coach
William Wang
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NCCP (National Coaching Certification Program) Badminton Canada certified professional coach
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Coaching in Canada since 2001
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Former coach of the Chinese National Junior Team, Swedish National Team, & Thai National Team
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Former head coach of the Sichuan Provincial Team in China
Former National Coach for China, Sweden, and Thailand, William brings 20+ years of international experience to OBA, developing athletes through technical precision, discipline, and long-term competitive growth.
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Program Director
Hardianto Kurniawan (Hardi)
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BWF level 1 Certified Coach
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BWF level 2 Certified Coach
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NCCP Canada level 1 Provincial
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NCCP Canada Level 2 National
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NCCP Canada Training Level 3 International
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10 Years + Coaching experience
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Program Director and Head Coach of Legacy Badminton Academy (Indonesia)
With 10+ years of coaching experience in Canada and Indonesia, Hardi leads OBA’s training pathways with a focus on technical growth, tactical development, and competition readiness.
Elite Coach
Calvin Ryan Mamonto
Achievements
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Champion 3 Single ASEAN School Competition (2010)
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Champion 3 Double ASEAN School Competition (2010)
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Champion 3 O2SN Singles National Level
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Champion 1 O2SN Double National Level
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3rd Place Beginner Sirnas Manado (2010)
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Champion 1 Double Beginner Sirnas Manado (2010)
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1st Place Beginner Singles Cirebon Mayor Open (2012)
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Champion 2 Teenager Singles Sirnas Yogyakarta (2013)
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Winner of 2 Teenager Singles Pertamina Open Jakarta (2013)
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Champion 3 Batam Teenager National Singles (2014)
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Champion 3 Teenage Singles Mayor Surabaya Open (2014)
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3rd Place Teenager Singles Bali National Team (2014)
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8 Big Asian Teen Youth Singles in Thailand Representatives of Indonesia (2014)
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Ranked 3 National Teen Singles (2014)
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3rd Place Winner of the National Team (2014)
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3rd Place Winner of the Manado National Youth Cadets (2015)
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3rd Place Winner Sirnas Cadets Magelang (2015)
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Second Place Winner of the National Team Cadets Surabaya (2015)
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Big 8 Singles Senior Cadets in Jakarta (2015)
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3rd Place Winner for Cadets Sirnas Jakarta Open (2016)
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Champion 1 Single Tournoi de Strasbourg (French National Match)
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Champion 1 Double Tournoi de Strasbourg
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Champion 1 Single Elite Tournoi de Meylan (French National Match)
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Champion 2 Double Tournoi de Meylan
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Champion 1 Double Tournoi de Besancon (French National Match)
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Champion 1 Double Elite Tournoi V3F Saint Louis
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Champion 1 Single Tournoi de Lyon
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Champion 1 Single Tournoi de Reims
Elite Coach
Ferneel Hazael Sompie
Achievements
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Winner Mix Double Bujak Open Canada 2023
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Winner H&F Sulawesi Open Men’ Single U-15 2011
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Winner H&F Sulawesi Open Men’ Double U-15 2011
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Winner MILO School Competition 2012
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Winner Java Open Bupati Tangerang Cup IV – Double Men’s 2012
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Runner Up Java Open Bupati Tangerang Cup IV – Men’s Single U-14 2012
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Semi Finalist KEJURCAB BADMINTON ASSOCIATION OF INDONESIA (PBSI) Men’s Single 2013
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Semi Finalist North Sulawesi Open – Men’s Single 2016
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Winner North Sulawesi Open – Men’s Double U-19 2016
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Winner North Sulawesi Open – Men’s Double 2016
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Runner Up Smart City Cup – Men’s Single 2017
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Runner Up Dandim Cup Kotamobagu SULUT - Men’s Single 2017
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Winner PORPROV SULUT – Men’s Single 2019
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Quarter Finalist KEJURNAS – Men’s Single 2019
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Semi Finalist KEJURNAS – Mix Double 2019
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Winner MABAR Badminton Smart City Open – Men’s Single 2021
Advanced Coach
Val Wong
Achievements
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OUAC 2024 Men's Singles Bronze Medal
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2023 OCAA Men's Singles Bronze Medal
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2023 CCAA Men's Singles Top 5
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NCCP Certified Level 1 Provincial
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NCCP Trained Level 2 National
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Champion 23.24 Victor Ontario Junior A Series #3b - Rally Sports U17 U23
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Runner Up 2018 YDBA Jr. District Tournament BS U15
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Runner Up 2017 BLACK KNIGHT Jr B #7 - U13/15/17/19 Port Hope BS_13
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Runner up 2016 BLACK KNIGHT Ontario Jr B #5- Whitby - All Ages BS_13
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Champion 2016 YDBA District Tournament BD U13
Advanced Coach
Andry Chandra
Coaching Achievement
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Long Island Sports Center, New York - US (2017)
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Musica Sports Club, Jakarta (2014 – 2016)
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Junior High School Ketapang, Jakarta (2012 – 2015)
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PB Inti (Inti Badminton club), Jakarta (2008 – 2013)
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Private Badminton Coach, Jakarta (1996 – 2008)
Personal Achievement
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1st Champion Double DKI Jakarta, Jakarta (1995)
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3rd Champion Mix DKI Jakarta, Jakarta (1995)
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3rd Champion Mix PMS 1995, Jakarta (1995)
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3rd Champion Double DKI Jakarta, Jakarta (1994)
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2nd Champion Double DKI Jakarta, Jakarta (1994)
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3rd Champion Single DKI Jakarta, Jakarta (1994)
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1st Champion Double Central Jakarta, Jakarta (1995)
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4th Champion Mix at DKI Jakarta, Jakarta (1994)
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3rd Champion Double DKI Jakarta, Jakarta (1993)
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2nd Champion Double North Jakarta, Jakarta (1993)
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1st Champion Single North Jakarta, Jakarta (1991)
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1st Champion Double North Jakarta, Jakarta (1991)
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1st Champion Double Baja Tara Cup V, Jakarta (1991)
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1st Champion Double DKI Jakarta, Jakarta (1991)
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2nd Champion Single North Jakarta, Jakarta (1990)
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1st Champion Double North Jakarta, Jakarta (1990)
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4th Champion Double DKI Jakarta, Jakarta (1988)
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1st Champion Double North Jakarta, Jakarta (1988)
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3rd Champion of Single at North Jakarta, Jakarta (1988)
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2nd Champion Double North Jakarta, Jakarta (1987)
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4th Champion Double DKI Jakarta, Jakarta (1986)
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2nd Champion Double West Jakarta, Jakarta (1986)
Advanced Coach
Arshdeep Singh
Achievements
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Participated in Boys National School Games 2018-19
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Bronze medal in Boys Singles in Yonex Chandigarh State Badminton Championship 2018
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Bronze medal in boys double in Yonex Chandigarh State Badminton Championship 2018
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Gold medal in Rural Games International Championship 2016
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Gold medal in Men’s Single Rural Games State Badminton Championship 2016
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Gold medal in U-17 boys single in Rural Games State Badminton Championship 2016
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Silver medal in U-19 boys single in Rural Games State Badminton Championship 2016
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Runner-Up in Shiwalik Open Badminton Tournament 2017
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Runner-Up in Indian Sports and Fitness Carnival 2018
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Bronze medal in Punjab School state badminton championship 2015