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Leadership

Meet Our Leadership Team

Purwahartono

Purwa Hartono — Co‑Founder

  • Founder & CEO Purwadhika (1987–present)
  • USC — MS Computer Engineering (Cum Laude)
  • Northrop University — BS Computer Science (Magna Cum Laude)
  • Who’s Who recognitions (US & Asia Pacific)
Ganda Sihotang

Ganda Sihotang, BSN, MM — Co‑Founder / Lead Instructor

  • Master’s in Healthcare Management — Mahidol University
  • 10+ years — Bumrungrad International Hospital, Bangkok
  • Led Bali International Hospital PX Program (greenfield)
Rey Sihotang

Rey Sihotang, RN — Co-Founder

  • Ex Cardio‑Thoracic RN, San Bernardino Hospital, CA
  • Risk Management & Corporate Governance
  • Leadership across healthcare, government, mining, telecom, fintech, banking
Prof. Tony Dharmaraj

Prof. Tony Dharmaraj — Advisor

  • Professor — Loma Linda School of Nursing, USA
  • Lectures & clinical instruction
  • Research & strategic advisory
Team Member Experiences
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