We’re a consulting firm working with enterprise customers to implement Big Data solutions.

Our focus is architectures based on MarkLogic, the Enterprise NoSQL database. 


David Cassel

Dave is company owner, a MarkLogic Architect & Developer with 20+ years of software development experience in Defense, Finance, Communications, Software, and Manufacturing industries, including 9+ with MarkLogic.

Dave is a MarkLogic-certified Developer

Dawn Cassel

Dawn is company owner and Chief Executive Manager of 4V and focuses on a number of management roles.


Shannon Shiflett

Shannon is a MarkLogic Developer with 20+ years of software development experience in the Publishing industry, including 14 years with MarkLogic. Shannon is in the process of becoming a MarkLogic-certified developer.


Mohan Golagani

Mohan is a MarkLogic Developer with 19 years of software development experience in the Insurance, Manufacturing and Chemical industries, including 8 years with MarkLogic.

Mohan is a MarkLogic-certified Developer

David Cole

David is the latest member to join our team of consultants. David holds a Master’s in CS at Villanova and a Bachelor’s in Finance, and has experience in the Finance/Wealth Management industry. David is in the process of becoming a MarkLogic-certified developer.


Dave is also the author of the MarkLogic Cookbook series