Board of Trustees

David Fine

David Fine is a Senior Partner in the London office of McKinsey & Company where he has worked for 27 years. He has held many leadership positions including the Global leader of the Public, Healthcare and Social Sectors. David has unparalleled experience in supporting governments, private sector leaders as well as state owned enterprises in areas of strategy, change management, implementation and monitoring and evaluation of large scale projects. He also supports government leaders and ministries on issues related to national and sector competitiveness, industrial growth, performance transformation, infrastructure, education, health and social development. David holds a PhD Degree in Chemical Engineering from the University of the Witwatersrand

Tracey Henry

Tracey Henry joined Tshikululu in 1998 and was appointed as the CEO in 2008. Prior to this Tracey held positions at the Chamber of Mines and Anglo American SA. Tracey serves on various NGO boards and advisory committees and has peer reviewed and written articles for various local and international publications. She has 25 years’ experience in the development sector, with a particular focus on leveraging partnerships between government, business, and civil society that result in social and economic transformation.

Michael Mervyn Katz


Professor Michael Katz is the chairman of ENSafrica specialising in corporate and commercial law. Michael publishes numerous articles, chapters and papers on legal and fiscal topics, including co-authoring the Butterworths Company Law Precedents (4 Volumes) and South Africa’s contribution to the United Nation’s and Harvard University Corporate Law Tools Project. Michael is mentioned in Legal Periodicals as the leading South African Lawyer and highly recommended South Africa Lawyer in Tax, Mergers and Acquisitions and Competition Law. Michael holds LL.M Degree from Harvard Law School and LL.D (h.c) from the University of the Witwatersrand. He lectures in Company Law at the University of the Witwatersrand and sits on the Board of Governors at the Hebrew University of Jerusalem.

Stephen Koseff

Stephen Koseff is the former chief executive officer of the Investec Group. He was with Investec for 39 years in various capacities and CEO from 1996 to 2018. In 2017, Stephen was awarded an Honorary Doctor of Commerce Degree by the University of the Witwatersrand. He is a former board member of Business Leadership South Africa and is the chairman of BidCorp Limited, Innovation Africa SA NPC, ArrowPoint Capital, EDT Trust, and co-chair of the Youth Employment Service (YES).

Avrom Krengel

Avrom Krengel is presently the Group Legal Counsel for Investec Bank. He was born and educated in Johannesburg, South Africa. Avrom completed a Commerce and Law degree at the University of the Witwatersrand. He joined the commercial law firm Edward Nathan in 1994 and was made a partner in 1998. Avrom has been involved in South African Jewish Communal affairs for almost 30 years.

Sean Melnick

Sean Melnick is Chairman of JSE-listed Peregrine Holdings Limited and Chairman of Peregrine’s international subsidiary, Stenham Limited. He was a founder of the Peregrine group in 1996. Sean began his career at Liberty Asset Management in 1992, before joining Investec Bank Limited in 1995. He left in 1996 to co-found Peregrine, took on the role of group CEO in 1997 and listed the group on the JSE in 1998. After a cumulative 11 years in the position of Peregrine group CEO, Sean is now non-executive Chairman. He holds several positions on the boards of charitable trusts and Foundations in South Africa as well as in the UK where he currently resides.

Nicky Newton-King

Nicky Newton-King is a lawyer by training. After time as a partner at Webber Wentzel, she joined the Johannesburg Stock Exchange where she worked for 23 years. She has just stepped down after 8 years as the JSE CEO.

Sudeshan Reddy

Sudeshan Reddy is Communication Specialist at the United Nations Children’s Fund (UNICEF) South Africa country office in Pretoria. He has held this post since 2014 and prior to this was the National Information Officer at the United Nations Information Centre in Pretoria. Between 2000 and 2001, he also served as the Public Information Officer at the United Nations High Commissioner for Refugees. Before joining the United Nations, Sudeshan was the Research Officer at the Democracy Development Programme, a non-governmental organisation, which focused on human rights and the consolidation of democracy in South Africa.

Innocent Rusagara

Dr Innocent Rusagara served the University of Rwanda for more than 15 years as a lecturer of applied mathematics, and he is now the Principal of Worldwide E-Learning Campus (WEC), an organisation he co-founded with more than 150 staff in remote technical support. He initiated and managed several projects from different funders like the Canadian Embassy through “Fond Canadien d’Initiative Local”, Rwanda TVET Board through Skills Development Fund (SDF), World Food Program through Food for work project. He facilitated professional trainings for RDB, Rwanda Polytechnic, University of Rwanda, Ministry of Education, MINICOM, BNR, Rwanda Utilities Regulatory Authority (RURA), CIMERWA, Inyange Industries, RPPA, MINECOFIN, Rwanda Public Service Commission, Rwanda Management Institute, MIFOTRA, Zigama CSS, INYANGE, UAP Insurance, Compassion International, etc.

Lynette Saltzman

Lynette Saltzman was born and grew up in Johannesburg. Together with her husband, Ivan, she qualified as a Pharmacist at the Wits Technikon. They opened their first pharmacy in the south of Johannesburg in 1978 and together built up the pharmacy chain Dis-Chem. She is the Managing Director of the group, as well as the founder of the Dis-Chem Foundation.

Glenn Silverman

Glenn Silverman entered the asset management (investment) industry in 1992, obtaining his CFA charter in 1995. He was appointed as the Chief Investment Officer (CIO) of Investment Solutions in 1999, where he remained for 17 years, until resigning in 2015. On leaving IS, he has consulted for various companies in the broader financial services and investment industry, both within SA and Africa. In 2012, Glenn embarked on a series of trips, to visit and research the five BRICS countries. The project culminated in him co-authoring a book, entitled “HalfWay There”, in late 2014. In 2016 he was appointed as a trustee of the JHGC, and in 2019 as an (Associate) Professor of practice at the JBS. Glenn joined RisCura full-time as their Investment Strategist in July 2021. 

Glynn Zollmann

Glynn Zollmann grew up in Polokwane and is a graduate of the University of the Witwatersrand with a BCom in Marketing. While raising her children, she has served on School PTA’s, edited an annual community magazine and fundraised for various local charities. Her most recent charitable work was with the new Johannesburg Holocaust & Genocide Centre (JHGC). Glynn has become an active volunteer for the JHGC and in April 2015 formed part of the March of the Living delegation to Poland and Berlin.

Gerald Leissner

In Memorium of our Founding Member

For over 40 years, Gerald was involved in fundraising for education and social services in Johannesburg and held leadership positions within the South African Jewish community and beyond. The JHGC owes a huge debt of gratitude to Gerald for his tireless work towards and support of our vision and mission.