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About Six Sigma BELT Guru

People who understandoperations.Partners in making them better.

We are an independent consultancy helping organizations improve how work is designed, governed, and delivered.

A consultant mapping a process on a whiteboard with a client team

Consulting grounded inoperating experience.

Over the past decade, our work has centered on process efficiency, customer experience, and organizational improvement.

We bring Lean Six Sigma rigor and direct engagement with client teams, connecting analysis to practical redesign and implementation.

Leadership

Alvin Villegas, President and Lead Consultant

President · Lead Consultant

Alvin Villegas

LinkedIn

Lean Six Sigma Master Black Belt · Industrial Engineer · MBA

Alvin is a transformation and operational-excellence leader with over 30 years of experience across consulting, technology, manufacturing, shared services, and logistics. A Lean Six Sigma Master Black Belt and former IBM Delivery Executive and Global Quality and SIx Sigma Leader, he has led client engagements that deliver measurable organizational benefits—from improved productivity, quality, and customer experience to stronger operating margins, cost efficiency, and more capable teams. An industrial engineer by training, he holds a BS in Industrial Engineering from Adamson University, took his MS in Industrial Engineering from the University of the Philippines Diliman, and an MBA from Northeastern University in Boston, Massachusetts.

Consulting focus: operational efficiency, organization design, process transformation, technology enablement, and capability building.

Our consulting team

Relevant expertise, directly involved.

  • Charlie Marquez

    Charlie Marquez

    MSIE · PIE

    Prof. Charlie A. Marquez, MSIE, PIE is an Industrial Engineer, management consultant, and educator with extensive experience in quality management, strategic planning, process improvement, and operational excellence. He has served as a consultant and resource speaker for various government agencies, local government units, academic institutions, and private organizations, specializing in Quality Management Systems (ISO), Lean Six Sigma, process streamlining, risk management, business continuity management, and project management. He previously served as Director for Planning and Development at the University of Santo Tomas and Factory/Production Manager of a high fashion industry with offices in New York and Italy. He holds a Master of Science in Industrial Engineering from the University of the Philippines Diliman and Certificate in Technopreneurship from the University of Berkely, USA. He is a trained Lean Six Sigma Master Black Belt and a QMS/EOMS Lead Auditor. He is committed to helping organizations improve processes, optimize resources, and achieve measurable performance results.

    • Lean
    • Lean Six Sigma
    • Industrial Engineering
    • Quality Management System
    • +1 more
    View profile : Charlie Marquez
  • Delfin Jacob

    Delfin Jacob

    MSIE · PIE · Certified Management Consultant

    Engr. Delfin R. Jacob is a Professional Industrial Engineer and Certified Management Consultant with extensive experience in industrial engineering, business excellence, quality management systems, strategic planning, human resource management, organizational development, and higher education administration. He has served as a consultant, trainer, assessor, academic administrator, and organizational development practitioner, helping government agencies, educational institutions, healthcare organizations, and private corporations improve performance, efficiency, and service quality. His career includes long-standing work in industrial engineering and management, substantial teaching experience, and academic leadership roles as Dean, Director, and Planning Executive. He has facilitated numerous public seminars and professional development programs, served as a Philippine Quality Award Assessor and Performance Excellence Consultant, led strategic planning initiatives for universities, government institutions, and non-profit organizations, and provided consultancy and training services to many government agencies and private-sector organizations.

    • ISO 9001:2026 Quality Management Systems
    • ISO 21001:2025 Educational Organization Management Systems
    • Lean Six Sigma
    • Process Excellence
    • +3 more
    View profile : Delfin Jacob
  • Dr. Eric Maass

    Dr. Eric Maass

    MBA, PMP Author, Consultant, Adjunct Professor

    Eric Maass, PhD, is an author, consultant, adjunct professor, and retired Senior Director of Design, Reliability, and Manufacturing at Medtronic’s Restorative Therapy Group. He served as Senior Director for Design for Six Sigma (DFSS), where he developed and led the DFSS strategic plan for most of the company and served as chief architect of Medtronic’s DFSS Green Belt, Black Belt, and Master Black Belt programs. He was recognized with Medtronic’s individual Star of Excellence award and as a Medtronic Technical Fellow. Prior to joining Medtronic, he spent many years at Motorola in roles spanning research and development, manufacturing, operations, and design and systems engineering, and was a co-founder of the Six Sigma methods there as well as Lead Master Black Belt for DFSS. He is the author of Applying DFSS to Software and Hardware Systems. He holds a Bachelor’s degree in Biological Sciences from the University of Maryland Baltimore County, a Master’s degree in Biomedical and Chemical Engineering, and a PhD in Industrial and Systems Engineering, both from Arizona State University, where he also serves as an Adjunct Professor and as chairman of the Industrial Advisory Board for the NSF-sponsored B.R.A.I.N Institute/University collaborative research consortium.

    • Design for Six Sigma
    • Reliability and Manufacturing Engineering
    • Lean
    • Industrial Engineering
    View profile : Dr. Eric Maass
  • Bernie Redona

    Bernie Redona

    Black Belt · ECE · PhD

    Bernie Redona is a Certified Six Sigma Black Belt with extensive experience in the semiconductor industry, specializing in process engineering, product qualification, statistical process control implementation, quality, and reliability. He previously worked with STMicroelectronics, Fairchild Semiconductor, Amkor Anam, and NXP Semiconductor. He holds a doctoral degree in Management majoring in Human Resource Management from the University of San Jose Recoletos–Cebu, a Master of Engineering, and a Bachelor’s degree in Electronics and Communication Engineering from Mapua Institute of Technology.

    • Lean Six Sigma
    • Lean
    • ISO 9001
    • QMS
    • +1 more
    View profile : Bernie Redona
  • Arnold Cesar Abaya

    Arnold Cesar Abaya

    Master Black Belt · Mechanical Engineer

    Arnold has over two decades of experience across manufacturing operations, and has worked extensively in new product launch, information technology, process and equipment engineering, automation design, TPM, and Lean Six Sigma. He has been recognized with TPM awards for excellence from JIPM in Kyoto, Japan, and has led productivity improvement initiatives at companies including Toshiba Philippines and Fujitsu Philippines. He has also conducted in-depth equipment efficiency studies for Pilipinas Shell Petroleum Corporation and served as a key facilitator in establishing Lean Six Sigma and Lean programs at PAL Express and SKYGO Motorcycle Manufacturing.

    • Lean Six Sigma
    • Lean
    • TPM
    • Data Analytics
    • +1 more
    View profile : Arnold Cesar Abaya
  • Francis “Kiko” Flores

    Francis “Kiko” Flores

    Black Belt · Industrial Engineer

    Kiko Flores has extensive experience in quality management and project management. He has established quality management systems for various companies as a consultant and previously served as Manager for Quality at IBM Business Services, Inc., where he managed quality-related projects to enhance organizational systems. His multi-sector consulting background includes substantial work supporting service-oriented teams across HR, Finance, Accounting, Supply Chain, IT, and Contact Center. He has designed and implemented quality-related system tools and automations for document management, root cause analysis, and quality audit management, and has facilitated training programs in quality, productivity, Design Thinking, leadership, and project management.

    • Quality Management System
    • ISO 9001
    • Lean
    • Lean Six Sigma
    • +1 more
    View profile : Francis “Kiko” Flores
Charlie Marquez

Charlie Marquez

MSIE · PIE

LinkedIn

Prof. Charlie A. Marquez, MSIE, PIE is an Industrial Engineer, management consultant, and educator with extensive experience in quality management, strategic planning, process improvement, and operational excellence. He has served as a consultant and resource speaker for various government agencies, local government units, academic institutions, and private organizations, specializing in Quality Management Systems (ISO), Lean Six Sigma, process streamlining, risk management, business continuity management, and project management. He previously served as Director for Planning and Development at the University of Santo Tomas and Factory/Production Manager of a high fashion industry with offices in New York and Italy. He holds a Master of Science in Industrial Engineering from the University of the Philippines Diliman and Certificate in Technopreneurship from the University of Berkely, USA. He is a trained Lean Six Sigma Master Black Belt and a QMS/EOMS Lead Auditor. He is committed to helping organizations improve processes, optimize resources, and achieve measurable performance results.

Consulting focus

  • Lean
  • Lean Six Sigma
  • Industrial Engineering
  • Quality Management System
  • ISO 9001
Delfin Jacob

Delfin Jacob

MSIE · PIE · Certified Management Consultant

LinkedIn

Engr. Delfin R. Jacob is a Professional Industrial Engineer and Certified Management Consultant with extensive experience in industrial engineering, business excellence, quality management systems, strategic planning, human resource management, organizational development, and higher education administration. He has served as a consultant, trainer, assessor, academic administrator, and organizational development practitioner, helping government agencies, educational institutions, healthcare organizations, and private corporations improve performance, efficiency, and service quality. His career includes long-standing work in industrial engineering and management, substantial teaching experience, and academic leadership roles as Dean, Director, and Planning Executive. He has facilitated numerous public seminars and professional development programs, served as a Philippine Quality Award Assessor and Performance Excellence Consultant, led strategic planning initiatives for universities, government institutions, and non-profit organizations, and provided consultancy and training services to many government agencies and private-sector organizations.

Consulting focus

  • ISO 9001:2026 Quality Management Systems
  • ISO 21001:2025 Educational Organization Management Systems
  • Lean Six Sigma
  • Process Excellence
  • Strategic Planning
  • ISO 19011:2026 Internal Quality Auditing
  • Philippine Quality Award
Dr. Eric Maass

Dr. Eric Maass

MBA, PMP Author, Consultant, Adjunct Professor

LinkedIn

Eric Maass, PhD, is an author, consultant, adjunct professor, and retired Senior Director of Design, Reliability, and Manufacturing at Medtronic’s Restorative Therapy Group. He served as Senior Director for Design for Six Sigma (DFSS), where he developed and led the DFSS strategic plan for most of the company and served as chief architect of Medtronic’s DFSS Green Belt, Black Belt, and Master Black Belt programs. He was recognized with Medtronic’s individual Star of Excellence award and as a Medtronic Technical Fellow. Prior to joining Medtronic, he spent many years at Motorola in roles spanning research and development, manufacturing, operations, and design and systems engineering, and was a co-founder of the Six Sigma methods there as well as Lead Master Black Belt for DFSS. He is the author of Applying DFSS to Software and Hardware Systems. He holds a Bachelor’s degree in Biological Sciences from the University of Maryland Baltimore County, a Master’s degree in Biomedical and Chemical Engineering, and a PhD in Industrial and Systems Engineering, both from Arizona State University, where he also serves as an Adjunct Professor and as chairman of the Industrial Advisory Board for the NSF-sponsored B.R.A.I.N Institute/University collaborative research consortium.

Consulting focus

  • Design for Six Sigma
  • Reliability and Manufacturing Engineering
  • Lean
  • Industrial Engineering
Bernie Redona

Bernie Redona

Black Belt · ECE · PhD

Bernie Redona is a Certified Six Sigma Black Belt with extensive experience in the semiconductor industry, specializing in process engineering, product qualification, statistical process control implementation, quality, and reliability. He previously worked with STMicroelectronics, Fairchild Semiconductor, Amkor Anam, and NXP Semiconductor. He holds a doctoral degree in Management majoring in Human Resource Management from the University of San Jose Recoletos–Cebu, a Master of Engineering, and a Bachelor’s degree in Electronics and Communication Engineering from Mapua Institute of Technology.

Consulting focus

  • Lean Six Sigma
  • Lean
  • ISO 9001
  • QMS
  • Quality Improvement
Arnold Cesar Abaya

Arnold Cesar Abaya

Master Black Belt · Mechanical Engineer

LinkedIn

Arnold has over two decades of experience across manufacturing operations, and has worked extensively in new product launch, information technology, process and equipment engineering, automation design, TPM, and Lean Six Sigma. He has been recognized with TPM awards for excellence from JIPM in Kyoto, Japan, and has led productivity improvement initiatives at companies including Toshiba Philippines and Fujitsu Philippines. He has also conducted in-depth equipment efficiency studies for Pilipinas Shell Petroleum Corporation and served as a key facilitator in establishing Lean Six Sigma and Lean programs at PAL Express and SKYGO Motorcycle Manufacturing.

Consulting focus

  • Lean Six Sigma
  • Lean
  • TPM
  • Data Analytics
  • Business Intelligence
Francis “Kiko” Flores

Francis “Kiko” Flores

Black Belt · Industrial Engineer

LinkedIn

Kiko Flores has extensive experience in quality management and project management. He has established quality management systems for various companies as a consultant and previously served as Manager for Quality at IBM Business Services, Inc., where he managed quality-related projects to enhance organizational systems. His multi-sector consulting background includes substantial work supporting service-oriented teams across HR, Finance, Accounting, Supply Chain, IT, and Contact Center. He has designed and implemented quality-related system tools and automations for document management, root cause analysis, and quality audit management, and has facilitated training programs in quality, productivity, Design Thinking, leadership, and project management.

Consulting focus

  • Quality Management System
  • ISO 9001
  • Lean
  • Lean Six Sigma
  • Quality Improvement

The way we partner

Work alongside your team.

  • Understand the context

    Start with the business priorities and the realities of the operation.

  • Stay close to the work

    Bring senior practitioners into the analysis, design, and review process.

  • Build lasting capability

    Help teams use the measures and routines needed to sustain progress.

Tell us what you are working toimprove.

Explore how our experience can support your next step.

Meet with our team