Welcome to Stellenbosch University

Panel of experts



South African Navy (Ret)

​Rear Admiral Derek Christian, a qualified submariner, served in a variety of seagoing and shore-based posts in the South African Navy and broader South African National Defence Force throughout his 42 years of service, until his retirement in February 2017.

Some of his more senior appointments included being the Naval and Assistant Defence Attaché in Washington, DC, the Commandant of the Military Academy in Saldanha, and the Director of Naval Logistics at Navy Headquarters in Pretoria.  He was promoted to Rear Admiral in early 2016 and appointed as the Deputy Chief of the Joint Operations Division, and then as the Acting Chief of Joint Operations, until his retirement.

His qualifications include a B.Mil (B.Sc) from Stellenbosch University, an MBA from the University of Cape Town, and an MA (International Relations) from Salve Regina University, Newport, Rhode Island.  He is also a graduate of the US Naval War College in Newport, Rhode Island.

He was the recipient of several academic and service-oriented awards throughout his career.  Amongst others, these include the Military Merit Medal (MMM), the Legion of Merit Medal (US Navy), and the Tamandaré Medal of Merit (Brazilian Navy).

Bio and photo



Captain John M. Holmes, USCG (ret.)

John M. Holmes is an Independent Marine Consultant and a maritime specialist with 40 years of experience in positions that include Chief Operating Officer, Fortune 500 executive, and senior level Coast Guard Officer. His clients have included The Port of Oakland, The Port of Long Beach, Northeastern University in Boston, MA, the U.S. Defense Threat Reduction Agency and the International Atomic Energy Agency. Dr. Holmes was also the Co-Principal Investigator on a MacArthur Foundation Grant project regarding Bolstering Counter-Proliferation Efforts within the Global Supply System.  Prior to his current position Dr. Holmes served as Deputy Executive Director for the Port of Los Angeles, where he was responsible for managing the day to day operations at the nation's largest port.  Before joining the port, he was Chief Operating Officer of the Marsec Group, a consulting firm specializing in port, border and supply chain security. Prior to this, Dr. Holmes was a Vice President at Science Applications International Corporation, where he implemented technological solutions to homeland security challenges.

Dr. Holmes retired from the U.S. Coast Guard in 2003 following 27 years of service, where he retired at the rank of Captain. His posts included Captain of the Port for the Los Angeles-Long Beach port complex. Captain Holmes was at ​the helm on September 11, 2001, and has been credited with actions that led to the creation of number of national initiatives regarding port and maritime security. During his Coast Guard Career, Captain Holmes served as Deputy Chief of the Office of Congressional Affairs, as a Country Team Member at the U.S. Embassy in Singapore, and as Committee Chairman at the International Maritime Organization in London.

Dr. Holmes holds bachelor's degrees in English and Education from Boston College, a Master's Degree in business administration from Washington University, and a Doctorate in Policy, Planning and Development from the Price School of Public Policy at the University of Southern California. His area of expertise is global WMD Treaty Compliance, with a particular emphasis on United nations Security Council Resolutions 1373 and 1540. He is a certified instructor with the Department of Defense and the Department of State, and has developed courses and exercises for the Defense Threat Reduction Agency.  He has also led or been a principal in engagements in over 25 different countries around the globe.

Bio and photo



Brigadier General John Migui Waweru 

Brigadier General John Migui Waweru was born on 5th December 1961 in Nairobi, Kenya. He joined the Kenya Navy on 14th April 1982. After his basic training at the Armed Forces Training College in Lanet, Kenya, he attended his basic naval course at the Britannia Royal Naval College in Dartmouth, United Kingdom. In 1986 – 1988 he attended an engineering course at the Royal Naval School of Weapon Engineering and the Royal Naval School of Mechanical Engineering in Portsmouth, United Kingdom where he attained a Diploma in Naval Science. ​In 1992, at the rank of Major he attended the Defence Staff College in Karen, Kenya. From 1993 – 1994 he was nominated to join UNPROFOR in Zagreb, Croatia as a United Nations Military Observer.

Bio and photo



Rear Admiral Hanno Teute​berg

South African Navy (ret)​

Hanno Teuteberg joined the South African Navy (SA Navy) in 1977 and qualified as a seagoing combat officer onboard Type 12 Frigates followed by a stint as a Hydrographic Officer. In the mid-80s, he moved to the submarine branch where he followed the normal career path to commanding a submarine and then the flotilla itself (1998). During the SA Navy’s acquisition project phase of it’s Meko 200 Frigates and Type 209 Submarines, he served as the Defence Attaché in Berlin. Promoted to Rear Admiral (JG) in 2006, he moved back to Simon’s Town to take up the post of Director Force Preparation followed by stints within operations and business planning at both the operational and tactical levels (Maritime and Joint Head Quarters). He was promoted to Rear Admiral in early 2013 and acted as the Chief Director Maritime Strategy followed by another promotion to Deputy Chief of the Navy in 2014. Retiring from this post in 2017, he has kept himself busy with a variety of maritime related activities. 

Speaker at 2018 ​MS & D conference Maritime Security Panel




​Zane Cleophas, Group CEO and co founder , Areta Holdings (Security & Defence, Consulting and Technologies)

He is Co- founder of Areta Holdings with brother Marlon Cleophas focussing on the domestic and African market, main areas of interest and specialisation is border security, defence-,state security advisory and technologies.

Currently he a consultants in domestic and cross border defence and security technologies, border security, OEM technical evaluations and project management. His previous experience includes consulting on information and communications security, country risk assessments, aviation security and ICT systems security.  He also serve as member of both military intelligence and civilian intelligence structures during which he served in various positions and specialised fields.  He is former Acting Deputy Director General ICT, and Chief Director of National Broder Priorities at the Department of Home Affairs, he also served as Chairman of the Border Control and Operational Coordinating Committee (BCOCC).  He also held various positions in international forums including the African Union (AU) Border Program and International Telecommunications Union (ITU) HLEG on Cybercrime, as well as numerous positions in safety and security structures, amongst others, the JCPS cluster, NatJOINTS and the Presidential National Commission (PNC) on CyberSecurity.  He currently serve on various defence, security and technology forums including the National Defence Industry Council (NDIC) work stream and the National Cyber Initiative aimed at government and private entities' response to the growing cyber threat.

As a former Military Officer he holds various military and civilian qualifications more significant a Certificate in Military Studies for Pilots from the University of Stellenbosch (Military Academy) , also a Postgraduate qualification in International Migration Policy and Management from Wits University as well as various qualifications in Security Technology and holds an advance Post Graduate qualification and Fraud and Forensics Investigations from Unisa.  He is currently busy with a Masters program in Security Technology with the focus on information security.  He's spoken at various local and international conferences, expert forums and round tables as a subject-matter expert.  Notably he recently also moderated various cyber, homeland security and maritime security panels.

Landline: + 27 (0) 12 003 3240

Email: Zane





Alice Namuly Blazevic (Uganda Legal Tech Network)

Alice Namuli Blazevic is a Partner at Katende, Ssempebwa & Company Advocates. She has over 15 years' experience in Commercial and Corporate Transactions, specialising in Projects and Infrastructure Finance, PPP's and the Energy Sector. She also specialises in Technology Law with a keen interest in Artificial Intelligence and the law, Blockchain Technology and the Cryptocurrency industry. She represents several Fintechs and Blockchain Technology based businesses which are reshaping the mode of doing business in Africa and Europe.  She has experience in cross boarder transactions where she has advised various large multinational joint ventures within Uganda and across East, South, and West Africa.

Alice is the Chairperson of the Uganda Legal Tech Network. She is the former Vice President of the Uganda Law Society. She serves as the Uganda Country Leader for Legal Business Women For Africa (LABFA), a multi jurisdictional network of women transactional lawyers and corporate leaders in Africa and beyond.

She is an Archbishop Desmond Tutu Leadership Fellow , a Commonwealth Fellow and the University of Oxford Said Business School Fellow. In 2015 she worked with Hogan Lovells LLP UK. She is currently pursuing a course in Artificial Intelligence from the University of Helsinki, Finland. 

She is the Founder of the Legal Innovation Hub - Uganda

Email: Alice

Bio here​​




Tendai Marengereke

Tendai Marengereke is a Lecturer for Information Security and Assurance at the Harare Institute of Technology in Zimbabwe. He holds a Master of Technology (M.Tech) in Information Security and Cyber Forensics from SRM University, India.

He is also a part-time researcher for the popular data mining and link analysis software company Maltego Technologies, where he researches on Cybersecurity, Cyber-crime and Open Source Intelligence (OSINT) investigations. He has participated and contributed to numerous cyber policy and scholarly discourses on Cybersecurity, cyber forensics and OSINT in Africa.

He is currently a PhD student with Namibia University of Science & Technology, focusing on the identification of cyber threats on the internet using OSINT. His primary research areas are Cyber Forensics, OSINT and Defensive Cyber Security.

Email: Tendai

Bio here