Technical Directors

David Kawahigashi (Technical Director)


David Kawahigashi has over 3 decades of technical and management experience in all phases of commercial shrimp aquaculture. He is the founder and Director of Vannamei 101 (2006-present), an aquaculture consulting and training company based out of Hawaii with branches in Thailand and Vietnam. He has worked in Ecuador from 1986 to 1991 and throughout Central and South America up until 2003 and throughout Asia from 2004 to the present.

Areas of expertise include broodstock breeding programs, hatchery management, and intensive grow-out systems. Recent technological advances in shrimp aquaculture have expanded business opportunities for Vannamei 101 to regions in the South Pacific, the Americas, the Middle East, and Africa.

Areas of Expertise:

  • Shrimp broodstock breeding and multiplication projects

  • Global experience (English, Spanish, and some Thai)

  • Design and management of intensive shrimp farms and hatcheries

  • Biosecurity protocol for farms, hatcheries and breeding facilities

  • Multi-phase and biofloc technology for sustainable shrimp culture

  • Biofloc and polyculture grow-out systems

  • Training and manpower procurement

  • Aquaponics system management

Kelly Hegerle (Technical Director - Vietnam)

  Career P. vannamei hatchery manager from the USA
  25+ years of experience in Africa, Ecuador, Thailand, and China

Hendry (Farm Technical Director (Indonesian))
  * Expert in intensive systems using biofloc and polyculture technology.

Dan Thanh (Farm Technical Director (Vietnam))

  * Expert in intensive culture operations in Vietnam.

Mardiyat Diharjo (Farm Technical Manager (Indonesian))

  * Expert in shrimp grow-out sytems

Agus Subagyo

  *Technical Consultant for indoor biofloc systems in Kuwait

Ricky Pelupessy ( Farm Technical Manager (Indonesian);)

  * Expert in shrimp grow-out sytems

Syafa'at (Aat) Farm Technical Manager (Indonesian)

  *Expert in indoor intensive culture systems (UAE).