1985-1989

Local

1. Clear Cell Chondrosarcoma - Case Report and Literature Review, Monthly Combined Surgical Meeting, April 1988
2. Early Experience with Ankle Arthroscopy in Singapore, Monthly Combined Surgical Meeting,1989

Regional

• No recent activity in this year

International

• No recent activity in this year

1990-1995

Local

1. Retrospective Study of Ilizarov Cases in TTSH, Annual Combined Surgical Meeting, November 1994
2. Effective of Destruction of Lateral Acetabular Physeal Plate on Growth of Acetabulum - presented and won Young Investigator Award at 2^nd Annual Scientific Meeting, Tan Tock Seng Hopstial, 1994
3. Effect of Destruction of the Lateral Acetabular Physeal Plateau Growth of Acetabulum, 17^th Singapore Orthopaedic Association Meeting, 1995

Regional

1. &Basic Arthroscopic Surgery Course&, Lecture & Live Surgery Demo in Medan Indonesia, February 1994
2. Effect of Destruction of Growth Plate on Hip Joints in Rabbits,17^th SOA / Asean Orthopaedic Meeting, November 1994

International

1. Elbow Injuries in Children, Hospital for Sick Kids in Toronto, Canada, November 1991

1996-2000

Local

1. Plating of Displaced Mid-Shaft Tibial Fractures,18^th Singapore Orthopaedic Association Meeting, 1996
2. Ankle Arthroscopy, 3^rd Annual Tan Tock Seng Hospital Scientific Meeting & 19^th Singapore Orthopaedic Association Meeting, 1997
3. Postgraduate Course in Orthopaedic Surgery, National University of Singapore since 1998 to 2000. Paper presented include:
   1. Management of SCFE
   2. Management of Limb Length Discrepancy
4. The Use of Ilizarov Techniques for Infected Non-union of Long Bones, 20^th Singapore Orthopaedic Association Meeting, 1998 and Overall Best Paper Award, 7^th TTSH Annual Scientific Meeting, 1999
5. Management of Club Foot at Paediatric Orthopaedic Symposium, KK Women & Children's Hospital, 2000

Regional

1. &Treatment of Non-union Tibia Using Ilizarov Methods&, Proceedings of the 16^th Asean Orthopaedic/Inaugural ASAMI Meeting, Penang, Malaysia, 13^th November 1997
2. Visiting Expert to Chulalongkorn Hospital in Bangkok, Thailand for Ilizarov Technique, November 1998
3. Lecture on the &Singapore Experience in Ilizarov Technique&, Asean Orthopaedic Association Meeting in Manila, November 1999
4. Lecture & Live Surgery Demo on &Use of Ilizarov Technique in Non-union Tibia at the National Congress of Indonesian Orthopaedic Association, November 1999
5. Visiting Expert & Live Surgery Demo course at Joint Arthoplasty and Ilizarov Surgery Course at Solo, Indonesia, 20 - 22 August 1999
6. Visiting Expert to 2^nd Basic Course in Ilizarov Technique, Manila, January 1999. Lecture on &Complications Using the Ilizarov Technique&
7. Lecture on:
   
   1. Complications using Ilizarov Technique
   2. Principles of Total Knee Replacement
   Cipto Hospital, Jakarta, February 2000 including Live Surgery Demonstration
8. Local Association of the Indonesia Orthopaedic Association, Sub Division Orthopaedic Surgery Hospital, Jakarta in August 2000. Live Demo on “Total Knee Arthroplasty” and Lectures delivered:
   1. Principles of Total Knee Replacement
   2. Correction of Valgus Deformity in Total Knee Replacement
9. 12^th National Congress of the Indonesian Orthopaedic Association, Makassar, Indonesia, September 2000
   Lectures Delivered:
   1. Treatment of Infected Non-union Tibia using Ilizarov Surgery
   2. Complications of Ilizarov Surgery

International

1. Effect of Destruction of Growth Plate on the Hip Joint in Rabbits presented at Western Pacific Orthopaedic Association Meeting at Koichi, Japan, November 1996
2. &The Use of Ilizarov Technqiue in Infected Non-union Tibia&, SICOT Meeting in Sydney, Australia, 23 April 1999

2001-2005

Local

1. Ilizarov Workshop, National University Hospital, February 2003
   Lectures:
   1. Principles of Ilizarov Treatment
   2. Treatment of Infected Non-union Tibia using Ilizarov Techniques

Regional

1. Visiting Expert & Lectures on Ilizarov Technique, 4^th Basic Course in Ilizarov Technique at Cebu City, Philippines, March 2001
2. Lectures, Workshop & Live Ilizarov Surgery, Solo, Indonesia, August 2001
3. 21^st Asean Orthopaedic Association Meeting, Bali Indonesia, October 2001.
   Lecture delivered: Significance of Lateral Physeal Pplate of Acetabulum to Growth and Stability of Hip Joint
4. Participate in Fitbone Surgery, Bumrungrad Hospital, Bangkok, February 2002
5. First Basic Course in Ilizarov Technique, Malacca, Malaysia, April 2002.
   Lectures delivered:
   1. Ilizarov Instrumentation
   2. Principles of Treatment
   3. Infected Non-union Tibia
   4. Complication of Ilizarov Surgery
6. 3^rd Basic Ilizarov Course and Workshop 2002, Kuala Lumpur, Malaysia in September 2002.
   Lectures delivered:
   1. Soft Tissue Response to Lengthening
   2. Intramedullary Bone Lengthening
   3. Workshop Instructor
7. First Basic Workshop on Ring Fixation System (Ilizarov Technique), Johor Bahru, Malaysia, September 2002
8. Project Synergy at Bangkok, Thailand, August 2003
9. Poster Presentation “Postoperative Pain Relief Following Total Knee Arthroplasty – Prospective Study using Synergistic Affect of Rofecoxib and Morphine for Pain Relief”, Asia - Pacific Arthroplasty Society 5^th Scientific Meeting, Kuala Lumpur, Malaysia, August 2003
10. “Symposium on Musculoskeletal Trauma” at Makkasar, Indonesia, August 2003.
    Lectures delivered:
    1. Principles of Ilizarov Technique
    2. Intramedullary Bone Lengthening
    3. Conduct Ilizarov workshop
11. Fitbone user’s Group Asia Meeting, Bumrungrad Hospital, Bangkok, Thailand, September 2003.
    Lecture delivered: “Fitbone Experiences in Singapore”
12. 13th Indonesian Orthopaedic Association National Work Congress, Menado, Indonesia, October 2003.
    Lecture delivered: “Intramedullary Bone Lengthening”
13. 25^th Annual Meeting of the Royal College of Orthopaedic Surgeons of Thailand, Cha-Am, Thailand, October 2003.
    Lectures delivered:
    1. Intramedullary Bone Lengthening
    2. Treatment of Paediatric Supracondylar Fractures
    3. Shoulder Hemiarthroplasty following Comminuted Proximal Humerus Fractures
14. Asia Pacific Arthroplasty Society, 6^th Scientific Meeting, Beijing China, April 2004.
    Lecture delivered: “Treatment of Bone Defects during primary Total Knee Arthroplasty”
15. 6^th ASM of Asia-Pacific Arthroplasty Society, Beijing, China, 21 - 25 April 2004
16. Internationall Learning Centre: Minimal Intervention Hip Surgery, Bangkok, Thailand, 8 July 2004
17. 14^th Triennial Congress of Asia Pacific Orthopaedic Association (APOA), Kuala Lumpur, Malaysia, 5 – 9 September 2005
18. 12^th Post-Graduate Course “Ring Fixators: New Devices and Techniques for Treating Fractures, Malunion, Nonunion and other Deformities”, Manila, Philippines, 23 - 24 September 2005
19. Sigma RF-F Launch Meeting, Koh Samul, Thailand, 19 - 20 March 2005
20. Regional Seminars, Medan, Indonesia, 15 - 16 July 2005
21. DGZYY Orthopaedic Conference, DongGuan, China, 12 - 14 August 2005
22. Ho Chi Minh Arthroplasty Course, Ho Chi Minh City, Vietnam, 17 - 19 August 2005
23. ASEAN Orthopaedic Association Meeting, Manila, Philippines, 14 - 20 November 2005

International

1. 5^th Bi-ennial Conference of Indian Arthroplasty Association Kolkata, Indian, September 2003.
   Lectures delivered:
   1. Treatment of Bone Defects Furing Primary TKA
   2. Postoperative Pain Relief Following TKA
2. Management of Postop Pain relief following Total Knee Arthroplasty, 6th ASM of Asia-Pacific Arthroplasty Society Beijing, China, February 2004
3. “Trophic Enhancement of Physical Distraction” , Istanbul, Turkey, May 2004
4. 12th Toronto Pelvic and Acetabular Fracture Management Course, Toronto, Canada, 15–18 May 2004
5. 3^rd Meeting of the A.S.A.M.I. International, Istanbul, Turkey, 27 - 29 May 2004
6. Invitation to visit Department of Health and Medical Services (DOHMS), Dubai, UAE, 5 - 9 June 2004
7. Visiting Physician with DOHMS, Dubai and Int’l Health Tourism Exhibition, Bahrain, Dubai & Bahrain, 15 - 17 Dec 2005
8. CI – Total Knee & Minimal Invasive Uni Compartmental Knee, Perth, Australia, 24 - 26 May 2005
9. Asia Pacific Arthroplasty Society (APAS) 7^th Annual Conference, Goa, India, 25 - 28 August 2005

2006

Local

• No recent activity in this year

Regional

• No recent activity in this year

International

1. Techniques and Results of High Flexion Knee Implant,PFC Rpflex and Minimally Invasive Hip Surgery, 2006 International Symposium on Osteonecrosis and Joint Preserving and Reconstrunction, Beijing,China, 14 - 16 April 2006
2. 2006 International Symposium on Osteonecrosis and Joint-Preserving & Reconstruction, Beijing, China, 14 - 16 April 2006
3. “Results of Elbow Arthoplasty presented at MOA/2^nd APOA Trauma Sectiion Meeting, Kuala Lumpur, Malaysia,1-4 June 2006
4. Results of Elbow Arthoplasty Following Comminuted Elbow Fractures in the Elderly , 36^th MOA AGM / Annual Scientific Meeting & 2^nd APOA Trauma Section Meeting, Kuala Lumpur, 2 - 4 June 2006
5. Lectures on Limb Lengthening and High Flexion Knee prosthesis, International Pakistan Medical Assn conference in Lahore, Pakistan, September 2006
6. Chairman, Arthoplastry Course by Depuy, J&J, September 2006
7. Results of TKR following failed uni TKA, Joint Replacement State of art Conference at Bangalore,India, 7 - 8 October 2006
8. Joint Replacement State of Art Conference, Bangalore, 7 - 8 October 2006
9. Results of TKR PFC RP Flex, High Flexion Evaluation Team Meeting, Shanghai, China, 11 October 2006
10. “Results of Intramedullary Bone Lengthening using Fitbone Surgery”, 4^th Meeting of the ASAMI International, Kyoto, Japan, 12 - 14 October 2006
11. Results of Fitbone Lengthening, 4^th meeting of the A.S.A.M.I. International, Kyoto, Japan, 12 - 14 October 2006
12. High Flexion Evaluation Team Meeting, Shanghai,10 - 11 November 2006

2007

Local

1. Principles and Management of Infected Non-union Tibia - CME programme, Gleaneagles Hospital, May 2007
2. Management of Osteoarthritis Knee - GP seminar at Singapore Recreation Club, September 2007

Regional

1. 4^th ConMed Linvatec Asia Arthroscopy Cadaver Workshop, Bangkok, January 2007
2. Basic Arthoplasty course in Regent Hotel, Singapore , August 2007.
   Lectures delivered:
   1. “Results of Total Knee Arthoplasty Using RP-flex”
   2. “Technical Detail, Complications and Results of Unicompartmental knee Replacement”
3. UniSIM-Institute of Engineers Chapter Seminar: Biomedical Engineering: A Clinician’s Perspective and Design of Mobile-bearing High Knee Flexion Device Prosthesis, SIM University, 15 September 2007
4. Lectures on Total Knee Replacement, Ilizarov techniques at PHIH Hospital, Myanmar, October 2007
5. Live surgical demo at RIPAS Hospital, Brunei on the Ilizarov procedure, November 2007
6. Public seminar at Makassar, Indonesia under Parkway Health care on Knee Arthritis, November 2007
7. Lectures Delivered at Shangri La Hotel, Surabaya in conjuction with Rumah Sakit Darmo On “Recent Advances in Knee Surgery” and “Fitbone Surgery, 26^th January 2008
8. Workshop and Lectures on Computer Aided Knee Navigation Surgery at the Indonesian Orthopaedic assosciation in Batam, April 2007

International

• No recent activity in this year

2008

Local

• No recent activity in this year

Regional

• No recent activity in this year

International

1. International Invited Speaker, 20th Myanmar Orthoapedic Conference at Yangon, February 2008

2009

Local

• No recent activity in this year

Regional

• No recent activity in this year

International

1. Results of Limb Lengthening using ISKD - Malaysian Orthopaedic Association Meeting at Kota Kinabulu, Sabah, May 2009