Meet the LumenVox Team
Dedicated to Powering Speech Enabled Solutions
Edward Miller is the CEO of LumenVox and is responsible for developing the company’s strategic vision, technology
Ed’s hobbies include implementing eco-technology, assisting/supporting artists at major art festivals, camping, hiking, trekking, sailing or rafting.
Managing Director, Europe
Bettina Stearn is the Managing Director of the European Lumenvox branch and has been with VoiceTrust since the very early days. In 2002 she started her career in the test department and built up VoiceTrust’s testing center. She quickly emerged to handle complex projects, such as the first ever voice biometric Common Criteria Certification and implemented voice biometric solutions for customers as
Bettina holds a master’s degree in geoscience and remote sensing.
Chief Financial Officer
Edita Bilak is responsible for overseeing all financial operations for LumenVox. She has over 20 years of experience in private and public accounting and has held positions as Chief Financial Officer, Controller, Accounting Manager and Banking Officer across many industries, including, technology, banking, manufacturing, retail
Edita likes to spend her spare time golfing, gardening, volunteering, and hanging out with her German Shepherd and 2 Corgi mixes, all rescued from the same shelter.
Chief Information Officer
Jim Blake is responsible for LumenVox’ Information Technology. He came to LumenVox in 1999 after studying Computer Science at Coleman University. In his tenure at LumenVox, Jim has designed and implemented complete IVR solutions, has gained extensive database experience designing and implementing a distributed multi-terabyte database system to handle personal user information, call center integration, accounting integration, marketing data and reporting as well as creating numerous high availability distributed architecture solutions and managing a data center with over 200 servers.
Jim spends his spare time with his wife and their new daughter and remodeling his house that was built in 1939. Jim is also a great short order cook and spends every Labor Day running the kitchen at his family’s restaurant in Wyoming.
Dr. Marcel Kockmann
Chief Technology Officer
Before joining Voicetrust in 2011, Marcel worked in speech research groups at Siemens, SVOX
Chief Revenue Officer
Tim Walsh is responsible for all worldwide sales and business development for LumenVox. Tim has over 30 years of global sales and marketing experience leading and supporting teams of consultative individuals focused on providing value and enhancing the customer experience. Tim has worked for companies including Nuance, Avaya and IBM. Tim and his teams have launched some of the most innovative voice user interface applications in the industry such as
Tim enjoys traveling and the arts. He’s just recently begun gardening and likes to experiment with plant varieties native to New England.
Vice President, Client Services
Jeff Hopper is responsible for all global
Jeff is an avid traveler and amateur photographer; he has taken pictures in all 50 states and over 20 countries. He also enjoys hiking and camping in the mountains of Washington, cooking, and gardening.
Vice President, Authentication and Anti-Fraud Solution Sales
Michael Kellermann leads sales for our Authentication and Anti-Fraud Solutions Group. He brings over 30
In addition to spending time with his family, Michael can often be found in or around the water either boating, fishing or swimming. He also enjoys traveling and contributing to charities in his community.
Channel Sales Manager, U.S. Western Region
As Channel Sales Manager, Roger is responsible for driving sales through the LumenVox partner ecosystem and has over 20 years of experience in the speech industry.
Channel Sales Manager, U.S. Eastern Region
As Channel Sales Manager, John is responsible for driving sales through the LumenVox partner ecosystem and has 20 years of experience in the speech industry.
As Account Manager, Kevin is responsible for managing LumenVox’ Asterisk community since 2013, and manages many of our HSP partners. Kevin holds a BA in Communications from UC – Davis.
EMEA Sales DirectorBased in London, Bob has more than 35 years experience working to bring applied artificial intelligence into business, first at the Stanford Research Institute and then as a founder of Nuance Communications. Bob has a BA in Philosophy and an MA in Mathematics from the University of California.
Sales Manager, DACH
As Sales Manager, Elmar is responsible for our European customers. Based
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