Leadership
  • Zack Rinat Founder and CEO

    Zack Rinat is a Model N founder and the CEO. He previously served as the Chairman of the Board of Directors and as Chief Executive Officer since its inception in December 1999.

  • Mark Tisdel SVP and Chief Financial Officer

    Mark Tisdel is a 20-year veteran in global finance and brings to Model N an extensive background in fast-growth software and high-tech business. Tisdel was previously the CFO of Steelwedge Software, and before that was the CFO of Spigit and Model N.

  • Russ Mellott SVP and Chief Revenue Officer

    Russ Mellott is responsible for global sales at Model N. He brings over 20 years of experience in sales leadership roles at large and smaller, high growth software leaders such as Epicor, Intelligrated (a division of Honeywell), Activant and Prophet 21.

  • Amelia Generalis SVP and Chief People Officer

    Amelia Generalis is responsible for all global human resources functions at Model N. She brings over 18 years of experience in human resources leadership roles at hyper-growth tech companies such as Anaplan, SuccessFactors, Elo and Eletronics Arts.

  • Mark Anderson SVP Global Services

    Mark Anderson is responsible for all global services, training and support functions ensuring customer success at Model N. He brings over 20 years of experience in services-related, leadership roles at enterprise software leaders, such as Vendavo, Sterling Commerce, Comergent and SAP.

  • Chanan Greenberg Vice President and General Manager

    Chanan Greenberg is responsible for all high tech sales and operations at Model N. Prior to joining Model N, Chanan was founder and CEO of Privia, Inc., where he worked with top 20 government contractors, including Boeing and Lockheed.

  • Marc Baumgartner General Manager, Life Sciences Division

    Marc Baumgartner currently serves as General Manager of the Life Sciences division at Model N. Marc brings over 20 years’ experience in sales-related roles at enterprise software corporations, including SAS and Sybase.

  • Gareth Morris VP and GM EMEA

    Gareth is responsible for sales and operations in EMEA. He brings over 15 years of sales and leadership experience in both start up and Enterprise software corporations, including Oracle and Salesforce.

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