About
At Sigma, we provide training in vital business areas and topics to support tomorrow’s global leaders
I HELP PEOPLE AND BUSINESSES
Skills and Expertise
With a career in Branding and Marketing and as a Professor of Brand Marketing, the Founder brings a wealth of experience and expertise. Brendan is also a visiting lecturer at Oxford University Summer Business Courses.
Brendan McMahon
Participatory Engagement for Better Results
Start today with free courses on vital topics. Learn at your own pace.
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