Welcome To
R O I
RK Organizational Excellence Institute
ROI is a premier Lean Six Sigma and Process Improvement training provider committed to enhancing productivity, efficiency, and organizational excellence across both the private and public sectors. For decades, we have supported large corporations, small and medium enterprises, educational institutions, and government agencies in eliminating inefficiencies, fostering employee engagement, and driving profitability. Through our expertise, we empower leaders to implement strategic, data-driven solutions that optimize operational processes and elevate customer experiences. When you invest in training with ROI, we ensure that your investment yields meaningful and measurable returns, delivering lasting value to your organization.
Facilitated Training and Certification
Lean Six Sigma
RATING
on all reviews
OVER
years of industry experience
MORE THAN
professionals trained
SAVED OVER
annualized cost savings
Certified and Accredited by
The Council for Six Sigma Certification
Certification and Awards
The founder of ROI is a certified LSS Master Black Belt with decades of experience in Lean Six Sigma.
ROI is accredited by the Council for Six Sigma Certification (CSSC) making our certification globally-recognized.
The Founder of ROI holds an Executive MBA and brings decades of leadership and business experience.
The Founder of ROI was also a certified Project Management Professional (PMP) since 2011.
The Founder of ROI started his LSS journey as LSS Black Belt of Samsung Electronics from 2001 to 2006.
Valued Partners of ROI
Employees From These Companies Have Trusted ROI (Partial List Only)
What is everyone saying?
"ROI’s Lean Six Sigma training with Romil Campos was the easiest to grasp, with clear language, hands on activities, and mentoring helping me finally earn my Black Belt certification!"
Anthony Encarnacion
Recommends ROI
"This is a huge win for me! "
Anthony Encarnacion
"We personally invited the CEO of ROI to be one of the guest speakers on Leadership. It was a great learning experience specially for us in the medical corps."
Karen Kristina Bartolome Campos
Recommends ROI
"It was a great learning experience!"
Karen Kristina Bartolome Campos
"Sir Romil is an expert in process improvement and an excellent mentor. He trained 26 of our managers and key employees in Lean Six Sigma, and we look forward to working with him long-term.
Highly recommended!"
Marv Ortiz
Recommends ROI
"Sir Romil is a great facilitator and an expert!"
Marv Ortiz
"Romil Campos exemplified servant leadership, inspiration, and industry expertise as our division director. His impact was remarkable, and I continue to follow his exceptional work beyond our organization."
Lemuel De Leon
Recommends ROI
"He exemplified remarkable servant leadership."
Lemuel De Leon
"Sir Romil was the best CI YB mentor I had in Reed Elsevier. I was well guided and he ensured I could wholistically grasp the idea of any projects I was leading. The success I had made me progress as well as a leader in other Business units"
Bejay Molino
Recommends ROI
"Sir Romil was the best CI YB mentor I had!"
Bejay Molino
"Sir Romil was very patient in helping me and supporting me with my Yellow Belt project. The confidence that he gave me helped me in completing many other projects. Plus, I also gained the confidence in mentoring others in completing their own projects"
Graylyn Pailano Tuaño
Recommends ROI
"Sir Romil was very patient in helping me"
Graylyn Pailano Tuaño
"Sir Romil is a clear, systematic, and results-driven mentor. His critical thinking, broad mindset, and passion for leadership help simplify complex processes, eliminate inefficiencies, and maximize results.
Gigi Mae
Recommends ROI
"Sir Romil is a very passionate people leader"
Gigi Mae
"One the best leaders that I worked with. He never runs out of insights, ideas, suggestions, and recommendations to make the process even better. He always challenges the status quo that can further improve the present. "
Kookie Villorente
Recommends ROI
"Sir Romil will make you realize that you can do more"
Kookie Villorente
"Boss Romil was more than a leader, he was a mentor who inspired me to see challenges from a new perspective. His passion for continuous improvement, both in people and organizations, made even the toughest problems feel solvable."
Ettolrahc Ablarrot
Recommends ROI
"I felt very privileged to have been under his tutelage during my time"
Ettolrahc Ablarrot
"Sir Romil was my first mentor that started my journey as a CI practitioner. Most of his teachings are still with me which I use almost daily. You could never go wrong while working for him. Reliable and trustworthy service"
Henziel Joy
Recommends ROI
"You could never go wrong while working for him"
Henziel Joy
"Engr. Romil Campos was my statistical consultant for both my Master's thesis and Doctoral dissertation, helping me achieve excellent grades of 1.25 and 1.00. I'm truly grateful for his mentorship and invaluable advice."
Kathlyn Bartolome Cruz
Recommends ROI
"I am very grateful to Engr. Romil Campos for his mentorship"
Kathlyn Bartolome Cruz