David S. Labuda

MATRIXX Software Inc. provides digital commerce solution that enables always-on customer engagement. Its products include MATRIXX Charging Engine, which provides real-time rating and discounting, pricing, subscription and balance management, spend control, and credit management solutions; MATRIXX Policy Engine, which integrates policy management with charging, as well as enables customers to offers subscribers with views and controls of service usage and spending; MATRIXX Insight Engine, which transforms network traffic and usage data into information about customer behavior, over-the-top usage patterns, subscriber spending, service uptake, and customer profitability; and Parallel-MATRIXX Technology, an architecture for real-time transaction processing that offers CSPs with instant visibility, intelligence, and control of data services across their mobile networks. The company was founded by Luther Kitahata, David S. Labuda and Jennifer Kyriakakis in 2008 and is headquartered in Mountain View, CA.

Aria Systems, Inc. provides enterprise cloud-based subscription billing solutions. It provides subscription businesses/divisions with an integrated platform for billing management, revenue recognition and associated business intelligence. The firm offers invoicing engine that supports a range of billing scenarios on the market and includes various components, including calculation, usage rating, taxation, invoice presentation, account management solutions, marketing tools, reporting and analytics to improve billing and customer management processes, manages and automates subscription management and billing solutions. The company was founded by Edward J. Sullivan and Brendan O'Brien in 2002 and is headquartered in San Francisco, CA.

Portal Software, Inc. provides accounting services. The firm offers billing and revenue management solutions for the communications and media companies. The company provides platform for the end-to-end management of customer revenue across offerings, channels, and geographies. The company was founded by John E. Little in 1985 and is located in Cupertino, CA.