Ralph Wagner

Walnut Ventures Associates (Walnut Ventures) is a venture capital firm founded in 1994 by Ralph Wagner. The firm is headquartered in Cambridge, Massachusetts.

Permessa Corp. provides application management software solutions. The firm offers software which monitors, analyzes and models application usage, application traffic, the quality of service it provides, the load that the application puts on the infrastructure, and also helps create and enforce corporate and regulatory policy. The company was founded by Yuval Shim in 1993 and is headquartered in Waltham, MA.

ROAM Data is a mobile applications and commerce gateway service provider, with highly scalable solutions that leverage its patented device agnostic platform to dynamically deliver valuable real-time information and transactions to mobile professionals on their own mobile phones, as a service. Payment Processors, Direct Sales Companies, SaaS (Software-as-a-Service) Providers and Systems Integrators look to ROAM to deliver user friendly real-time mobile data transactions and secure payments. ROAM’s platform is fully PCI compliant, and meets the highest security standards in the industry. ROAM provides fully hosted services with 24X7 support to reduce complexity and total cost of ownership for IT departments, improving time-to-market and quality of their mobile application services.

EdTech Networks, Inc. provides integrated programs for schools and local businesses in the United States. It provides communication platforms and tools to bring schools, parents, and businesses together, as well as to provide schools with the ability to improve communications using the Web and emails. The company was founded in 2002 by Richard L. Trembowicz and is located in Wakefield, MA.

Keyfile Corp is a software company that offers a range of products for audio editing, video editing, password management, and file downloading. The private company is based in Nashua, NH and has subsidiaries in the United States. The company's products include WavePad Sound Editor, Download Accelerator Plus, Camera Raw and DNG Converter, and RoboForm Password Manager & Form Filler. The company was founded by Ralph Wagner.

Part of Jacobs Solutions, Inc., MicroSource, Inc. (Colorado) is a company that provides IT solutions. The company is based in Greenwood Village, CO. MicroSource, Inc. (Colorado was acquired by CH2M HILL Cos. Ltd., part of Jacobs Solutions, Inc. from May 14, 2019 on November 18, 2004. The company was founded by Kevin Mungle, Ralph Wagner.