About The Authors
Karl Dinkelmann
Karl is a seasoned data analytics expert and business strategist with nearly two decades of experience. As cofounder and CEO of Nexus Data, he leads a team of internationally renowned data experts, helping organisations unlock value from their data assets.
Karl’s innovative approach has attracted global brands seeking to enhance their data analytics capabilities. His team’s exceptional work has earned them a nomination for the Microsoft Data & Analytics Partner of the Year Award. With his expertise spanning mining, media, fleet management and financial services, Karl has a proven track record of generating substantial value through strategic data analytics-led initiatives.
A chartered accountant (SA) with degrees from the University of Pretoria and the University of South Africa, Karl is widely recognised as a thought leader in data analytics. By combining financial acumen with innovative data strategies, he helps businesses drive growth, improve efficiency, and achieve measurable outcomes.
Karl’s expertise and influence have earned him numerous accolades, including a nomination as a finalist in the prestigious Business Trailblazer category at the South African Institute of Chartered Accountants Chairman’s Awards. His insights and practical approach make him a leading authority on leveraging data to transform business outcomes.
ZJAÉN Coetzee
Zjaén is an award-winning data, digital and business executive with over fourteen years of experience in the telecommunications and technology sectors. He has led large teams of data experts on multi-million-dollar projects, consistently delivering outstanding results for South Africa’s leading companies and government entities.
With Zjaén having been recognised as one of the Global Top 100 Innovators in Data & Analytics by Corinium Global Intelligence, and as one of the world’s leading enterprise data leaders by CDO Magazine, his expertise is widely acknowledged. His achievements include the 2017 Standard Bank Rising Star Award for ICT.
Now Zjaén helps senior business leaders maximise value from their data. His approach combines data strategy, management and governance with innovative digital disruption techniques. Zjaén holds a master’s degree in computer science and a postgraduate degree in management in digital business.
