exhibit 10. 1 service agreement agreement ( hereinafter referred to as “ service agreement ” ) made as of the 29th day of june, 2007 by and between jan c. e. wendenburg, residing at germany ( hereinafter referred to as the “ ceo ” ) and authentidate international ag, a german aktiengesellschaft, registered in duesseldorf, germany and with principal offices located at grossenbaumer weg 6, 40474 duesseldorf, germany ( hereinafter referred to as the “ company ” ). witnesseth : whereas, the company is engaged in the business of developing and marketing electronic billing, archiving, scanning and email solutions providing legally binding time and content authentication, and other software products ; and whereas, the company is a wholly - owned subsidiary of authentidate holding corp., a delaware corporation, with principal offices located at 300 connell drive, berkeley heights, nj 07922, usa ( hereinafter referred to as “ ahc ” ) ; and whereas, the company desires to continue the service relationship with the ceo for the purpose of securing for the company the experience, ability and services of ceo ; and whereas, the supervisory board of the company ( aufsichtsrat ) ( hereinafter referred to as the “ supervisory board ” ) renewed the appointment of the ceo for the term beginning july 1, 2007 and expiring june 30, 2008 ( hereinafter referred to as the “ initial renewal period ” ) based on a resolution of the supervisory board ; and whereas, ceo desires to continue working for the company, pursuant to the terms and conditions herein set forth, superseding all prior agreements and entitlements between the company, its parent company, its subsidiaries and / or predecessors and ceo ; now, therefore, it is mutually agreed by and between the parties hereto as follows : article i service relationship subject to and upon the terms and conditions of this service agreement, the company hereby re - hires ceo, and ceo hereby accepts such re - hire in the capacity of chief executive officer of the company ( vorsitzender des vorstandes ). article ii duties 2. 1 ceo shall, during the term, as hereinafter defined, and subject to the control of the supervisory board, manage the business of the company in accordance with the laws, statutes, articles of association ( satzung )