Sean Collins, President & Managing Partner


Mr. Collins brings over 19 years of call center/contact center experience to the S4 team. With a depth of clients and business verticals, his operational teams have managed a wide breadth of programs. Servicing large fortune 500 clients like AT&T, Citibank, Chase, Allstate just to name a few. Recently Collins has had executive roles with start up call centers, managed a number of projects off shore and provided consulting services to companies needing additional operations support. Mr Collins spent 16 years with West Teleservices and ChaseCom during which time he managed operations of up to seven centers with a revenue stream in the hundreds of millions. Mr Collins brings a unique ability to provide support to companies wanting to outsource functions in their company from outbound, inbound, and back office provisioning.

Sam Mustapha, CIO & Managing Partner


Mr. Mustapha brings twenty years of experience managing technology infrastructure including software development, technical support, security, voice & data network and project implementation. Sam has twenty years of experience in operations and technology implementation. Throughout his career, his primary focus has been on infrastructure, redundancy, software development, employee development, process improvement and customer service. Prior to joining S4 in 2008, he served as Senior Vice President at ChaseCom for seven years and a Managing Director at Sony Entertainment for ten years. Mr. Mustapha earned a Bachelors degree in General Business and Management Information System from University of Houston in 1995.

Patrick Plummer, Vice President of Technology


Mr. Plummer brings over 20 years of IT and consulting experience to the S4 team. Most recently, Mr. Plummer was the Chief Technology Officer of the Houston Fire Department, the third largest Fire Department in the US, and was responsible for critical public safety 911 call center operations, dispatching and communications covering all of Houston and Harris County. His teams also implemented and supported the City of Houston’s non-emergency 311 call center, providing assistance to over 4M+ residents in the metropolitan area. Mr. Plummer also has 12 years of experience as an IT consultant in the Telecom, Energy, Healthcare, Manufacturing, and Government industries. His teams at S4 support all operations, communications, and security for the company and its affiliates. Mr. Plummer holds a BS in Computer Science and Engineering from the University of California, San Diego.

Erik Swenson, Chief Technology Officer - Hosted Services


Mr. Swenson brings over 16 years of call center/contact center software development and technical management experience to the S4 team. In his prior role as co-founder and Vice President R&D at Stratasoft, Inc., Mr. Swenson spent 15 years designing, developing, and implementing enterprise-class call center software technology. The multi-award winning Stratasoft StrataDial platform chiefly designed and developed by Mr. Swenson is currently in use by over 1500 call centers worldwide with tens of thousands of installed seats, including Fortune 500 companies such as Bank of America and global call centers such as The Resource Group and e-Telecare, and of course S4 Communications, and has grossed direct product sales of over $100M during the past 15 years. At S4, Mr. Swenson and his team focuses on creating innovative solutions for customer programs while ensuring that the internal team has what they need to run as efficiently and productively as possible. Mr. Swenson holds a BS in Computer Science from New York Institute of Technology and an MS in Software Development & Management from Rochester Institute of Technology.

Kathy Quinby, Vice President - Operations Development


Mrs. Quinby brings over 30 years of call center/contact experience to the S4 Communications team. She has deep experience in many verticals such as healthcare, satellite, telecommunications, energy, banking and retail, in both the business to business and business to consumer space. Most recently she held positions where she was responsible for leading and establishing a strategic working relationship with business partners while ensuring high quality service and enhanced business solutions to drive return on investments for client partners. She has also been responsible for overseeing the development and implementation of strategic plans in order to proactively enhance the ability to meet the needs of client partners, while ensuring a balance of optimum productivity being performed in a quality-oriented environment. Mrs. Quinby has worked for several BPO providers to include Idelman Telemarketing, Intellisel, IDRC, Sprint Telecenters, West Corporation and Alorica.