Ernesta Ratna Ismayanti




(In Dunamis Organization Services Curriculum)

  • The 7 Habits of Highly Effective People (Associates, Foundations, Signature)
  • The 7 Habits for Manager
  • Leading at The Speed of Trust
  • Working at The Speed of Trust
  • Presentation Advantage
  • Crucial Conversation
  • The 5 Choices to Extraordinary Productivity
  • On Becoming Proactive
  • The 6 Critical Practices for Leading a Team
Notable Clients :
  • Freeport
  • Kaltim Prima Coal
  • Indo Tambangraya Megah
  • PricewaterhouseCoopers
  • Indonesia Exim Bank
  • Agincourt Resources Martabe Gold Mine
  • Korelasi Persada Indonesia
  • Freeport
  • Bank Negara Indonesia
  • CFLD International
  • Lazada
  • Sekolah Santa Ursula
  • BPSDM Sulawesi Tengah
  • Bank Central Asia
  • HM Sampoerna
  • SAR Tax & Management Consultant
Fluent in the Following Language:
  • Bahasa

  • English

A Psychologist, Ratna joined Dunamis Organization Services in February 2016. She brought with her more than 12 years of professional experience which mostly are in training and services industry.


As one of the facilitators at Dunamis Organization Services, Ratna facilitates: The 7 Habits of Highly Effective People, 5 Choices, Speed of Trust, Presentation Advantage and also Crucial Conversations. Clients are comfortable with Ratna as their facilitator, she has a fun facilitating style.

Business Result Expert

Before joining Dunamis, Ratna started her career at NATAN a Psychology Service Center where her duties was training and recruitment. She then joined Melawai Group in HR Department – Training Division, Pizza Hut Indonesia, as Employee Service Officer – HR Department ,Service Quality Center Indonesia as Trainer and Recruiter for Singapore Airlines cabin crew and finally Freelance Trainer.


Ratna graduated from Soegijapranata Catholic University, Semarang, Bachelor Degree in Psychology.