LEAN SIX SIGMA FOR ALL
CANADA, US, LATAM
Founder-Led Lean Six Sigma Training and Consulting
L6S4ALL is a boutique firm led by Alex Cornu, a Lean Six Sigma Master Black Belt with more than 26 years of experience helping organizations improve performance, build internal capability, and strengthen execution.
We help organizations develop practical improvement capability that applies in real business environments — not generic theory.
Our focus is Lean Six Sigma training and consulting for financial services and other service-based organizations, including support through training, coaching, program development, and consulting.
A practical track record of experience and impact
26+ Years
Experience in Lean Six Sigma, operational excellence, and performance improvement
1400+
Lean Six Sigma belts trained and certified across multiple levels
Recognized Organizations
Experience supporting major organizations across complex service environments
International Experience
Client support delivered across Canada, the US, and LATAM
Meet the team
Alex Cornu
Founder & Director | Senior Consultant | Lean Six Sigma Trainer
| Master Black Belt Level II
Alex Cornu is the Founder and Director of L6S4ALL Consulting Inc. and a Certified Lean Six Sigma Master Black Belt with more than 26 years of experience helping organizations improve performance, build internal capability, and deliver measurable business results.
Throughout his career, Alex has led enterprise improvement, operational excellence, and Lean Six Sigma capability-building initiatives across financial services, energy, and manufacturing. He has worked with recognized organizations including TD Bank, American Express, Ontario Power Generation, Ford Motor Credit Company, IBM, and Raymond James.
Alex has designed, led, and delivered Lean Six Sigma training and certification programs across White Belt, Yellow Belt, Green Belt, Black Belt, and Master Black Belt levels. He has also taught Advanced Lean Six Sigma Techniques at the University of Toronto School of Continuing Studies.
Known for his practical and business-focused approach, Alex helps organizations apply Lean Six Sigma in ways that strengthen execution, improve processes, develop talent, and create sustainable results.
Sanjay Raghuvanshi
Senior Consultant | Lean Six Sigma Trainer | Master Black Belt
Sanjay Raghuvanshi is a Lean Six Sigma Master Black Belt, process improvement consultant, and experienced training facilitator with more than 30 years of experience helping organizations improve operational performance and build continuous improvement capability.
He has held senior transformation and process improvement roles with leading organizations including TD Bank Group, Royal Bank of Canada, and Tata Steel, supporting large-scale initiatives across financial services, healthcare, and manufacturing.
Sanjay brings deep expertise in Lean Six Sigma, operational excellence, process redesign, customer journey transformation, workflow optimization, and enterprise change. His work has delivered more than $48 million in measurable business benefits through process improvement, automation enablement, and operating model transformation.
Known for his structured, practical, and people-focused approach, Sanjay helps teams build capability through Lean Six Sigma training, coaching, mentoring, and hands-on support for real business improvement initiatives.
Paul Wong
Senior Consultant | Lean Six Sigma Trainer | Master Black Belt
Paul Wong is a business consultant, senior facilitator, and Lean Six Sigma Master Black Belt with experience supporting organizations through process improvement, facilitation, and capability-building initiatives.
He brings a practical, people-focused approach to helping teams understand business challenges, improve how work gets done, and apply structured problem-solving methods in real operational environments.
Paul’s background includes experience in facilitation, Lean Six Sigma, and Design for Six Sigma concepts, allowing him to support teams as they identify improvement opportunities, strengthen process performance, and build confidence using continuous improvement tools.
Known for his collaborative style, Paul helps create engaging learning environments where participants can connect improvement methods to their day-to-day work and business priorities.