OST-Systems was founded by Carlo Lazzaris and Piet Jonas. Both are IT professionals with a proven track record in delivering solutions to blue-chip companies in Europe and North America.

Carlo and Piet have extensive experience working with Enterprise Java and wireless technology and believe passionately that wireless technology enables huge benefits for mobile professionals to do their jobs in the digital age.

This belief was the drive for the development of the Document Assistant software suite which has been established to focus purely on the delivery of high ROI data capture solutions using integrated handheld wireless technology.

Carlo Lazzaris
Commercial Director and Founder

Role: Client Service, Consulting and Business Management

Prior to founding OST-Systems in 2000 with Piet, Carlo worked as an independent consultant for BEA providing training and professional services for Weblogic and also founded a mobile software start-up Lokah with Piet focused on Location Based Services. Prior to that Carlo was a senior consultant at Valtech, a Sun Microsystems authorized Java centre which obtained the highest level accreditation: Object Reality Centre. Prior to that Carlo worked for Sun Microsystems and was part of Java Enterprise Team during the lauch of Java in 1996. Prior to that Carlo worked on the launch of Yell.co.uk the UK's first search engine and at Cyberia the world's first internet cafe chain, PR and web development company. With over 10 years experience in the development of award-winning software and web sites, and on marketing, training and software consulting projects Carlo brings strong marketing and technical skills to OST-Systems.

Carlo has a BSC (Hons) in Business Information Systems from the University of Portsmouth.

Dr Piet Jonas
Technical Director and Founder

Role: Architect of Document Assistant platform, Technical Consulting and Management of OST-Systems Development Services.

Prior to founding OST-Systems in 2000, Piet founded a mobile software start-up Lokah with Carlo, focused on Location Based Services and was an independent consultant and trainer at Valtech Ltd, a Sun Microsystems authorized Java centre which obtained the highest level accreditation: Object Reality Centre. Prior to that Piet worked on research projects at the Geography department for University of Greifswald, Germany for the development of models to describe the transport of algae in an estuary, and at Montana State University on X-Windows programming for statics research projects, and prior to that at Siemens Nachrichtensysteme GmbH where he worked on digital signal processors. With over 10 years experience in the development of award-winning software and web sites, and on training and software consulting projects Piet brings strong technical skills to OST-Systems.

Piet has a PHD in Physics from the University of Greifswald, a 5 year Master degree in Physics from the University of Greifswald and also attended Humboldt University in Berlin, one of Germany's leading scientific universities for a special 2 year high school diploma in Mathematics and Physics.