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Lana Marais is the Managing Director of EMWIN. 

Lana graduated with a B.Compt from the University of South Africa
She obtained a MBA at the University of the North West (Potchefstroom campus).
Her script is of particular relevance to our clients as its focus is on implementing computerized management systems at construction companies.

Lana Marais

082 494 5069     011 396 1809/3561 (office)      lana@ejm.co.za

Lana Marais

Wikus Hattingh

Wikus Hattingh is the Senior Programmer & Director of EMWIN Systems.

Wikus has been a Software Developer since 1999 in the Visual Basic Environment.
Prior to joining EMWIN Systems in 2005, he worked at Starlight Healthcare Systems, developing a Healthcare Management System.

Wikus Hattingh

082 696 7220     011 396 1809/3561 (office)     wikus@ejm.co.za

Alida Marais

Alida Marais is the Training and Support Manager & Director.

Alida graduated from the University of the North-West with a B.Com (CA) and a B.Com Hon. in Cost & Management Accounting.
Alida is a go-getter problem solver for whom no mountain is too high.
She will make a molehill out of your mountain with the application of EJM's technologies.

Alida Marais

084 547 0423       011 396 1809/3561 (office)        alida@ejm.co.za

Meet The Team


Ernst Marais

Ernst Marais is the Founder of EMWIN.

Ernst graduated in Civil Engineering at the University of Pretoria. He is a registered professional engineer.  He later obtained a MBL from the University of South Africa.
After a short stint at the Department of Roads, he joined consulting engineers, Fick & Hollenbach.
This was followed by 7 years as contractor, site agent at Kruger Konstruksie and engineer at Savage and Lovemore. 
He started
Ernst Marais & Associates in 1982 which later became EMWIN Systems (PTY) Ltd.

Wayne Tinley

Wayne is a CA Associate of EMWIN.   

Wayne graduated with a B.Com and then completed a Post Graduate Diploma in Accounting, Management Accounting, Auditing and Tax & Estate Planning.
After completion of articles at Fisher Hoffman & Sithole, he qualified as a Chartered Accountant in 2002.
Wayne has 7 years experience in London working at various firms in a senior management position where he implemented cost control systems.
On returning from London, Wayne joined a civil engineering firm in Port Elizabeth. Wayne spent 3 years at the firm learning the industry in a very difficult period of the economic cycle. Cost control was imperative and implemented successfully.
Wayne established Northbound Financial in 2012 which is a consultancy focused on providing high level financial support.

082 787 6892      042 296 1494       ernst@emwin.co.za

072 5973454       041 8119733 (office)        wayne@tinley.co.za


Wayne Tinley

082 9099 811     021 7622657 (office)     reshenda@ejm.co.za  

Reshenda Piedt

083 783 3356 (direct cell)   072 066 7061 (office cell)

031 000 0508 / 031 566 4126 (office)  deon@constructionenquiry.co.za

Deon Chetty

Reshenda Piedt

Reshenda is the manager of the EMWIN Office in The Western Cape.

Reshenda Piedt started her career in IT in 1968 with Integrand Computer bureau.
In May 1990 she joined HKC Systems where she did training and software support. Reshenda earned the respect amongst her Construction and Civil clients for her training and support skills. 
She joined EMWIN Systems in 2004 as the Managing Partner of EMWIN Kaap. She is responsible to keep EMWIN's clients in the Western Cape happy.

Deon Chetty

Deon is the manager of the EMWIN Office in KwaZulu Natal.

He is also the CEO of the Construction Enquiry Group and has been the agent for EJM software in KZN since 2010.
He has extensive knowledge and experience in Construction Administration, Accounting, Taxation, Consultancy, Financial Management and Strategic Management.  

Gold Ernst Marais

Rodney Gibson

Rodney Gibson CA (SA), is an Associate of EMWIN

He was articled to Deloitte & Co where he later became the audit manager and the manager of the small business division.
Before setting up the Professional Practice of RF Gibson & Co, he was employed as financial accountant and director of Prouvost & Lefebvre et Cie, Group Financial Director of Silveroak Industries Limited and Financial Director of D&A Timbers, a subsidiary of  Murray & Roberts Limited.
Rodney has joined forces with Wayne Tinley (CA) to create Northbound Financial Services (Johannesburg).
The close tie-up between EMWIN and Northbound has huge benefits to EMWIN’s clients in having people of this calibre on tap when dealing with SARS, banks, the increasingly stringent regulatory environment, mergers, tax planning etcetera.

Rodney Gibson

082 5742060     rodney@jfgibson.co.za


Ernst J Marais

Ernst is the System Architect of the EJM Net-based system.

Ernst started in 1997 in the IT industry as a programmer at a major bank. Since then he has been designing, writing and implementing software mainly in the financial sector.
Systems varied from 5 users to major enterprise applications.
Ernst has contributed to two books:
NET Enterprise Solutions: Best Practices for the Connoisseur and
.NET Enterprise Solutions: Interoperability for the Connoisseur.
He is a speaker at various IT community events including: SA Developer .NET and SA Architect.


Maroon Ernst J Marais

Rochelle Strümpfer

011 396 1809/3561 (office)        

Rochelle comes from an academic and teaching background.

She has a B.Mus, M.Mus and a Higher Education Diploma.

With her rigorous academic and teaching background, and  meticulous attention to detail, she is responsible for writing the manuals.

The result of her labour is manuals that are clear and concise with hyperlink cross references.

This is further augmented with hyperlinked flow charts to guide a novice through the most common and advanced tasks of the programs.

The manuals compliment the programs very well.

It is in the process of being incorporated into course material in project management for institutes of higher learning with whom EMWIN entered into strategic partnerships.

Maroon Rochelle Strümpfer



Gauteng Head Office


Eastern Cape Office


Western Cape Office


KwaZulu Natal Office