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
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.
We Are Certified and Accredited By
Council for Six Sigma Certification
VMEdu SixSigma Study
VMEdu SCRUMStudy
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
I gained deeper understanding of LSS DMAIC
Prior to this training, I had knowledge of DMAIC, but through this program, I gained a deeper understanding of the significance and worth of the process. I've learned also to appreciate and be open to the ideas and suggestions of others.
Christopher Kimura
Recommends ROI
Lean Six Sigma is Very Useful in Hospital Setting
There were many useful things learned in the Lean Six Sigma Training, but what I appreciate the most is making all of us realize our potential for learning these processes in problem solving. To be able to do the activities during the training really got us out of our comfort zones.
DR. OLIVIA LUISA RAMOS LIM
Recommends ROI
Lean Six Sigma Helps Us See the Big Picture
By looking at the bigger picture, we are able to define the problem well and be efficient at it.
Aleksandra Bartz
Recommends ROI
The Lean Six Sigma Training Helps us Appreciate Process
All material looks very useful, process map was the most possible to be used in near future for now.
Bieliauskaite Vaiciuleniene
Recommends ROI
Lean Six Sigma Training Helps Teaches us to be Objective
The most useful thing I learned from this training is the concept of not looking at the issues with the blaming mindset, but with the solution seeking objection
Mejreme Nikaj
Recommends ROI
Lean Six Sigma Training Helps us Manage our Processes
The discussion provided us on how to concisely address issues/loopholes in our company processes and our day to day work
Shyne Jena Lu-Bautista
Recommends ROI
Lean Six Sigma Training Will Surely Help in my Career in the Manufacturing
I learned a lot from this seminar, it gave me information that may help in my career i want to pursue. Since I am in manufacturing industry, the LEAN SIX SIGMA is widely used in manufacturing processes not only limited to manufacturing but in other industry as well
CHRISTINE B. COLICO
Recommends ROI
Lean Six Sigma Helps Become a Better Leader
With the help of this training, I already know the steps needed to be taken in supervising and managing people/office/industry
Jon Aubrey R. Lleno
Recommends ROI
Lean Six Sigma is Applicable to all Industries
The most useful thing I learned is the flexibility of having Lean Six Sigma to various industries and its purpose in achieving development and improvement of the overall operations of an organization
Paul Anthony E. Salalima
Recommends ROI
Lean Six Sigma Training Helps me Visualize Data with Graphs
I find the graphs most useful specially for leaders. Graphs can easily represent data in a more understandable way specially for the people who not very keen to details
Herschel Zamir Laminero
Recommends ROI
Lean Six Sigma Green Belt Training Helps me Become a Better Problem Solver
With the Green Belt training, I learned that getting clarification on the methods we instinctively use on a daily basis and the proper way to evaluate, understand and utilize them effectively
Ameernur Matabalao
Recommends ROI
Lean Six Sigma Green Belt Training Helps me to Work Better with Data
With the Green Belt training, I learned the different approaches on how to dig and identify data's usefulness.
Karenjoy Pantoja
Recommends ROI
Lean Six Sigma Green Belt Training Helps me Appreciate the Value of Data
With the Green Belt training, I realized that Analyze Phase is the most relevant topic that I learned from the training. It helps me to be more critical than just seeing the totality of the data.
Anieve Unabia
Recommends ROI
The Lean Six Sigma Training with Romil is very Interactive
DMAIC is very useful as a refresher with additional insights from Romil. The Minitab exercises are very helpful and the interactive approach.
Joey Javellana
Recommends ROI
Romil's Lean Six Sigma Training Approach is Excellent
Sir Romil has done excellent work on answering our clarifications and concerns as well as providing real industry examples.
Adrian Nino Lantican
Recommends ROI
With Lean Six Sigma, Problems Can Be Improved
My take aways in the training is that not all problem has a solution but it doesn't mean that it cannot be improved. Continuous data gathering and analysis should provide a near perfect solution.
Eric Galindo
Recommends ROI
The Lean Six Sigma Training Had an Amazing Value for Me
This Lean Six Sigma training had an amazing value for me! I gained the wider picture of how can we methodically run projects, make data-driven decisions, and sustain the desired outcome.
Ana Arnautovic
Recommends ROI
Lean Six Sigma Helps me Appreciate the Concept of DOWNTIME
I really liked the the concept of DOWNTIME. This could be very simple however crucial to the success of the organization. We might already aware about it, however failed to minimize if not eliminate these things because of the stereotype of continue doing it mentality.
Ishamae Cabanig
Recommends ROI
We were Impressed With Romil's Training Approach in Lean Six Sigma
We were particularly impressed with Romil´s ability to motivate all members to actively participate. He is very experienced and his enthusiasm and encouragement created a comfortable and inclusive atmosphere.
Claudia Lopes
Recommends ROI