Smart, Proven, and Effective Professionals

Quoin staff members thrive on working with our clients to understand their challenges and to deliver outstanding results.


Ray Chason

Senior Software Engineer

Ray Chason is a veteran software engineer with over twenty years of experience. Ray has worked on critical projects for NASA and the US Air Force, where rigorous engineering requirements have forged excellence in his code and a deep attention to detail.

Carlos Chavez

Senior Software Engineer

Carlos Chavez has eighteen years of experience as a software engineer, architect, and project lead with expertise in Ruby and Java technologies. His skills cover the entire project life cycle and a broad range of disciplines: planning, analysis and design, multi-tier architectures, databases, database mapping, deployment, wired enterprise networking and ...

Laurie Corkum

Senior Business Analyst & Project Manager

Laurie Corkum (CSM) has two decades of proven success as business analyst and project manager for a variety of clients, including clients in the U.S. government. Since joining Quoin, she has enjoyed working with our publishing and e-learning clients as both an analyst and a project manager.

Matt Counts

Software Engineer

Matthew Counts has extensive experience as developer for a range of well known brands including LL.Bean, New Balance and LoJack. Beyond core strengths with the LAMP stack, Matt has experience in Ruby on Rails and Objective C, and has built applications for .NET, iOS and Unity. Matt has implemented a ...

Christopher Crim

Technical Lead

Christopher Crim is a talented web application developer with a diverse technology background that includes software configuration management and system administration.

Ronald Elledge

Senior Software Engineer

Ron Elledge is a Senior Software Engineer with nearly two decades of experience in all phases of the software development life cycle. He has a deep technical skill set and a wealth of experience tackling complex challenges at the enterprise level. He has extensive experience in system architecture, design, development, ...

Antonio Gallardo

Director, Technology & Support Practice

Antonio Gallardo has over 20 years of experience as a software developer, architect, and project lead with expertise in Java 2/J2EE, XML, XSLT, application servers, and other related technologies.

Robert Jones

Software Engineer

Robert Jones is a skilled software engineer with five years of professional software development experience. He has collaborated on various projects ranging from both front and back end development and using multiple languages such as PHP, Java, C# and Javascript. His commitment to delivering great products is equally matched by ...

Greg Manning

Software Engineer

Greg has twenty years’ experience as a software engineer focused on writing C/C++/Objective-C for communication, networking, imaging, and embedded applications. He has delivered robust applications for Unix, OS X, and iOS platforms, using both Make based build systems and IDEs such as Eclipse and Xcode.

Jack Miszencin

Solutions Engineer

Jack Miszencin is a dynamic software engineer with broad experience in web design and development. He has built high-volume, high-availability web systems for Finance, Government and Publishing, and has deep experience with CRM and email/messaging integration (including His core strengths are in Python/Django and Ruby on Rails, JavaScript and ...

Bill Mitchell

Senior Consultant

William Mitchell is an expert technologist who has contributed in all phases of the software lifecycle and at every tier of complex systems. He supports special projects at Quoin related to high-performance web delivery, media metrics, and 'big data' applications.

Pavel Nabutovsky

Technical Lead

Pavel Nabutovsky is an engineer and systems architect who has practiced sober, test-driven development across a wide breadth of technologies and methodologies.

Matt Samsonoff

Technical Lead

Matt Samsonoff is one of Quoin's most talented engineers with extensive experience in Java/J2EE, Python/Django, and C#/.NET. In addition to his role as implementation Tech Lead, Matt has consulted and coached organizations on data architecture, security, and a range of development process/tools including Agile/Scrum. He is a successful project lead ...

Jeff Samuels

Project Manager/Senior Software Engineer

Jeff Samuels is an innovative and resourceful software engineer with over twenty years of implementation experience in all phases of the software development lifecycle.

Bradley Small

Senior Software Engineer

Bradley Small has over two decades of experience in software engineering. He has designed and developed software in diverse environments including retail, internal, and B2B products. He has also designed and implemented software for the magazine, product delivery, warehouse management, and gaming industries as well as for the US Government. ...

Jonathan Steinberg

Senior Designer & UI/UX Specialist

Jonathan Steinberg is an experienced and innovative designer who is adept at creating engaging designs for web, mobile, and enterprise software applications. His professional background includes a breadth client work, including branding, content strategy, information architecture, UI, UX, search optimization, social media integration, and other disciplines. As a Senior Designer ...

Eli Taft

Technical Lead & Senior Software Engineer

Eli Taft has over a decade of experience building complex web and enterprise applications. As an architect, technical lead, and senior software engineer, he has demonstrated the ability to adapt an architecture and technical approach to implement a solution that meets business requirements. Eli is proficient in a range of ...

Josh Toliver

Software Engineer

Josh Toliver has hands on experience developing software for both client and server side implementation. As a Software Engineer at Quoin, he focuses on building engaging and effective designs in Django, Ruby on Rails, and JavaScript. Josh has a diverse background as a software engineer, web application developer, media artist, ...

Huu Da Tran

Technical Lead

Huu Da Tran has twenty years of experience building enterprise software for education, retail and telecom. His outstanding communication and collaboration skills enable Huu Da to work effectively with both business management and engineering staff.

Jim Welch

Senior Software Engineer

Jim Welch is a Senior Software Engineer with 17 years of expertise in Object-Oriented Design and full lifecycle software application development. His specialties include requirements definition, detailed design, code development, debugging, and thorough system integration and testing.

Sue Willard

Director, Project Management Practice

Sue Willard (CSM) has more than 17 years of experience as an analyst, project manager, and principal consultant serving a broad range of industries, including online media, publishing, finance, enterprise resource planning, life sciences, manufacturing, and government.