From Asia to Oxford:
Global Leadership
for Senior Executives
in Asian Companies.

BRENDAN MCMAHON
FOUNDER | SIGMA MENTORING
Sigma Mentoring

01

1-1 AND GROUP MENTORING

Mentoring and Coaching

Tailored 1:1 and team support to senior managers navigating global growth via mentoring and/or coaching by an expert business professional.

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02

NURTURING GLOBAL LEADERS

Short Courses, Seminars

Practical, highly interactive half-day to multi-day programmes delivered in person or online in Singapore, Hong Kong, Tokyo (and across Asia on request).

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03

UNIQUE LIFE-CHANGING EXPERIENCES

The Oxford Experience

Immersive leadership programmes in Oxford (and London) combining daily classroom teaching, business site visits and networking with global peers.

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Why Sigma

Asia Business Experience

Over thirty years of business experience in the Asia Pacific. Project Director in Japan, Korea, China, Hong Kong, and Southeast Asia. Expert in B2B and technology-focused sectors

Senior Level Asia-based Expert

Former CEO of a brand consultancy in Japan; Chairman of an advertising agency; Board-level position at a listed Asian entity; VP of Branding at a Hong Kong telco; published author.

Formal Academia Experience

Visiting Professor at Oxford since 2019; designed and delivered programmes globally. Former Head of Business Studies Department at a UK University.

Triple Lens for Global Business Focus

Mentorship and coaching approach covers soft and hard skills to develop accountability and EQ skills: Leadership | Brand Strategy | Digital Transformation

Cross-cultural Experience and Skills

English, French and Japanese speaker, with broad experience on projects across Asian markets and cultures and access to Asia-Europe business networks.

Taking Asian Companies Global

Customised for Asian companies going global – real context, real results. Change management experience developing strategies, systems, and structures.

Benefits of a Sigma Programme

Lead Cross-cultural Teams Globally

Build your Business & Brand for New Markets

Negotiate Effectively in Global Contexts

Harness AI and Digital Trends to Drive Business Growth

Create a Global Business Roadmap, Ready for Implementation

Join a global Alumni Network to Enhance Your Career

About the Founder

With 30 years’ experience working across Asia, senior leadership roles in branding and telecoms, and as a visiting professor at University of Oxford, the Founder, Brendan McMahon, brings a unique blend of business-practical and academic rigour to help Asian companies scale globally. Whether you need one-to-one mentoring, in-company short courses, or an intensive Oxford-based leadership experience, Sigma designs high-impact programmes that drive measurable outcomes in growth, brand, team and digital transformation.

Sigma Mentoring

Find out More

Download the full programme brochure to learn more about
Sigma Mentoring and the “Oxford Experience” today.

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Testimonials

HR Professional, Asia 2025

” Sigma Mentoring’s approach and delivery is unique in the market given the founder’s combination of academic and real-world business experience working with Asian companies and living in Asia.”

★★★★★
Oxford Experience Participant, Oxford, 2025

” The Oxford Experience was one of the best experiences in my life. Brendan took me on a personal and professional journey that has changed my approach, my role and my understanding of business.“

★★★★★
Short Course Client, Japan, 2024

”Not everyone can afford the time to go to Oxford but Sigma brings the Oxford Experience to Asia through bespoke-designed courses and content for Asian companies.“

★★★★★

Book a Meeting with the Founder

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