Company Profile


Rethink is a Performance Improvement consultancy specialising in helping its clients to develop and improve their operations. The company has been in existence for over eighteen years, with a track record that includes over 600 successful projects with several blue chip organisations in South Africa and internationally. Many of these clients have used Rethink on multiple repeat projects.

Rethink’s core value proposition is to assist its clients with identifying, planning and implementing operational performance improvement initiatives, in order to achieve operational performance excellence. Major benefits include:

  • increased revenue
  • reduced costs
  • improved customer experience
  • improved compliance and control

Rethink has a strong focus on process, with significant experience and skills in the areas of process architecture, documentation, design, reengineering and automation.

In a nutshell, Rethink works with businesses to solve operational problems, get better control and bring down costs.

Our Ethics


To be a valued Performance Improvement consultancy in South Africa, across multiple industries.


Rethink is dedicated to providing performance improvement consulting services that assist its clients to develop and optimize their business operations. We wish to establish successful partnerships with our clients, that allow joint development of appropriate solutions and that respect the interests and goals of each party. Success will be measured by our clients choosing us because of their belief in our ability to meet or exceed their expectations of price, service, and expertise.


Rethink’s success is built on the following values:

  • Delighting our customers
  • Pride in our work
  • Doing the right thing
  • Doing what we say
  • Partnering with our customers
  • Delivery focus
  • Open, proactive communication
  • Dependable
  • Being the best at what we do
  • Mutual respect


Kem Tissiman

- Managing Director

Kem, who has a BSc in Mechanical Engineering and a BComm (Business Economics major) is the founding member and Managing Director of Rethink, having formed the company in February 1996. Previously Kem consulted independently and before this was with Coopers & Lybrand Management Consulting and Unidata.

He has a total of 20 years in management consulting, together with 16 years in the IT and Engineering industries. Like all the people at Rethink, Kem is a hands-on part of the team. Choosing to do what he does best – delivering true business value to our customers. Kem is a practical and highly experienced member of the Rethink team.

Kem is a well-known and popular speaker at industry forums and is a valued contributor to a variety of industry publications.

Palesa Hagenimana

- Director

Palesa, who has a BTech in Business Informatics, is a Certified Process Professional and Holds Masters In Business Analysis from George Washington University.

She has extensive experience in banking industry, where she has worked for over 13 years as Process Engineer and Business Analyst. As a process and automation engineer, she has developed a keen interest in artificial intelligence, its impact on our society and how it can improve people’s lives in this 21 century.

Palesa has great interpersonal skills and believes in empowering others with a special focus on the the underprivileged.

Rethink BEE Status

Rethink qualifies as Level 2 BBBEE QSE service provider.

Why Rethink

Rethink is known for its integrity and commitment to delivering on its promise. The key to this is our size, which ensures that the management and owners are directly involved in the projects we undertake. Our approach of joint solution development with our clients ensures that solutions are practical and implementable, and our lean structures ensure that we are able to deliver the value adding results at very competitive costs to our clients.