Tsemed is a strategic software development and consulting company. Tsemed has been engaged by many companies to build software solutions and prototypes.Clients have ranged from start-ups to household name internet companies and major network operators.Currently, Tsemed is jointly developing products for the financial services industry

Exploring the possibilities for extending the work of Vivian Herst in to new technologies.Vivian Herst Limited is a boutique financial modelling consultancy. We specialise in spreadsheet development and financial model reviews, normally as part of our clients’ due diligence process. As a boutique consultancy, we are more flexible and better priced than our competitors. In addition, because we have people who led this work at the large accounting firms, we are confident that the quality of our services matches the best available in the market. We are very proud that most of our work is repeat business.

Leader of development of clients running on various mobile phone platforms.

Software Engineer/consultant in the mobile phone industry providing solutions and advice to companies needing help with applications and HARD problems with development of mobile phone applications.

Co-founded Enterprise Software company, focused on collaboration and security.Recruited and managed R&D team of 30 people in Israel and USAResponsible for delivery of product to Sales Organisation. Product purchased by Nintendo, DoD, FDA, AT&T, AOL, Shell, PepsiCo, 20th Century Fox and Aramco. ZDNet awarded it 10/10 for Ease of Use & Effectiveness.Initiated many engineering practices, including, source control, defect tracking, iterative development cycles, automated testing, performance testing, release process. Inventor of granted U.S. Patent #6,209,203 [2001], #6,298,446 [2001], #6,353,892 [2002] and of several additional pending U.S. Patents.

Architected and developed a production and control system for the manufacture of Smart Cards. The system is deployed at two factories and is in use today personalizing millions of smart cards per anum.Conducted user interviews, captured the requirements and led a team of five programmers in the construction of the system. Became familiar with the concepts of encryption and conditional access that are in use at NDS

Served as a designer/analayst, gathering requirements for sub-systems with members of the client organization. Served as a team leader responsible for supervising construction of the sub-systems. Liased with customers regarding user acceptance testing and sign off