Operations leader · Author · Management Operating Systems

Results that repeat, shift after shift. Built into the system.

Three decades on the operations floor, learning how plants, mines and process operations build the routines, meetings and measures that turn a good week into the normal week. Now I write about how it is done.

Dr. Rafael E. Guarín DBA · Lean Six Sigma Black Belt · PMP
01Forecast 02Plan 03Assign 04Execute 05Follow up 06Report 07Evaluate 08Improve MOS MANAGEMENT OPERATING SYSTEM
The eight-step management cycle at the heart of the book.
About

Three decades on the operations floor

I have spent more than thirty years in manufacturing and process operations, and over sixteen of them leading Lean and Kaizen engagements across a wide range of industries.

Good operations work starts with a diagnostic: walking the process, mapping how work and decisions actually flow, and finding the gap between what the plan says and what the shift delivers. From there comes the management operating system that closes it: KPI trees with clear line of sight, tiered daily meetings, leader standard work, and the follow-up discipline that makes improvements stick.

I work in English and Spanish, and I believe improvement is measured by one thing: whether the results hold after the consultants go home.

Experience
30+ years in operations
Lean & Kaizen leadership
16+ years
Education
Doctor of Business Administration
Languages
English · Español
Based in
Anderson, South Carolina
Industries

Where the work has been done

Experience in continuous-process and discrete manufacturing alike. The plants differ; the management system that runs them well looks remarkably similar.

MIN

Mining & Metals

Mine and plant operations, maintenance reliability and shift-to-shift discipline.

O&G

Oil & Gas

Production operations, maintenance planning and schedule compliance.

CHM

Chemicals

Process operations, yield and operating discipline.

FD

Food Processing

High-speed packaging lines, downtime and changeover reduction, waste and yield recovery.

FEED

Animal Nutrition & Feed

Plant operations, supply chain, safety culture and operational excellence programs.

AERO

Aerospace

Production scheduling and process flow for aircraft components.

MFG

Engineered Products

Discrete manufacturing, capacity and flow through the shop.

HVY

Heavy Industry

Asset-intensive operations where reliability and planning decide the month.

Expertise

What I know best

The disciplines I have practiced, taught and written about throughout my career.

Operational diagnostic

A structured look at how the operation really runs, ending with a sized opportunity and a plan your leadership can act on.

  • Brown paper
  • System review
  • Opportunity sizing

Management Operating System

Design and installation of the planning, follow-up and reporting routines that keep performance on target every shift.

  • KPI trees
  • Tiered daily meetings
  • Line of sight

Maintenance & reliability

Moving from reactive firefighting to planned work, with the metrics to prove it.

  • PM / CM ratio
  • MTTR · MTBF
  • Schedule compliance

Throughput & yield

Downtime, changeover and waste reduction on constrained lines, built on fault-code and loss analysis.

  • Downtime analysis
  • Changeover
  • Yield recovery

Leadership capability

Workshops and floor coaching that give supervisors and managers the routines to lead their own improvement.

  • Leader standard work
  • Roles & RACI
  • Coaching

Internal consulting teams

Building your own continuous-improvement function so the capability stays in-house.

  • Lean Six Sigma
  • Kaizen
  • Training
The book · 2026

The Execution Engine

Building a High-Performance Management Operating System

A practitioner's guide for plant managers, operations leaders and improvement teams. It brings together, in one place, the field-tested frameworks I have seen work on the operations floor: how to forecast and plan the work, assign it clearly, follow up during the shift, and use what you learn to improve.

Part One
Why operations need a management operating system, and how it works
Part Two
The seven core MOS tools, and how to put each one to work
PaperbackHardcoverKindle

Spanish edition coming soon: El Motor de Ejecución: Cómo construir un Sistema Operativo de Gestión de alto rendimiento.

Credentials

Background

DBADoctor of Business Administration
Black BeltLean Six Sigma
PMPProject Management Professional
AuthorThe Execution Engine, 2026
Contact

Let's connect.

For questions about the book, speaking invitations, or a conversation about operations and management systems, write to me.

Email
rguarinb@rgbresults.com
English · Español