Your TourTools Team

Arin Preston

Owner/Developer

Arin has over 25 years of FileMaker experience and is FileMaker certified. She has a B.S. in Information Technology with concentrations in web development and project management and an MBA in data analytics.

Arin is a U.S. Navy veteran, having served one tour during the Desert Storm Era as a Weapons Tech in Guam, M.I., San Diego CA, and Virginia Beach VA. After leaving the military at 22, she attended travel school and spent 3 years as a travel specialist for several agencies and scuba diving resorts in the Caymans and Honduras.

Outside of work, Arin volunteers as webmaster for Connecting Hearts Ministry, an organization which supports the sponsorship of children in Guatemala. Arin is also a singer/songwriter, plays guitar, enjoys Scrabble, reading, live music, camping and spending time with her dogs.

Lynne Stolk

Training Specialist

Lynne serves as lead trainer for TourTools®.  With more than 30 years in the group travel industry, Lynne served as Vice President of Operations for a large Grand Rapids, Michigan based European tour operator, and became an end-user of TourTools® while working in offices in Houston, Texas; and Columbus, Ohio. During that time, Lynne was involved in the selection, installation and implementation of several reservation and network systems; and spent a great deal of time on staff training, troubleshooting and problem solving.  

For 10 years, Lynne worked in technical support and training for TourTech Systems, Inc. This combination of travel industry experience and technical knowledge brings a unique perspective to her work with TourTools® clients.

Not surprisingly, Lynne has traveled extensively in the US and abroad. Her favorite destinations are those with historical significance, and – being a huge fan of Frank Lloyd Wright – she loves to visit sites designed by the famed architect.

Esther Kinyanjui

Project Manager

Esther joins the DVT TourTool’s team with an MBA in Strategic Management and her Project Management certification. She has over 10 years of frontline experience as an executive assistant and project manager. She is an excellent communicator – ready to bridge the gap between our developers and clients and make sure projects stay on time and under budget… and that each task gets strong focus and followup.

Kyra Clark

Marketing Coordinator

Kyra serves as the team’s marketing manager, driving traction on key projects, branding, social media, and team building. With years of experience in communications, marketing, and project coordination, she plays a critical role on the TourTools team.

Mary Almonte

Marketing & Admin Assistant

Mary joined the team as a Marketing and Admin Assistant, with experience as a social media manager and strategist for over 3 years and an overall virtual assistant for more than 5 years! She describes herself as a team player who always loves to help.

E.J. Sexton

VP of Development & IT

E.J. has over 15 years of experience working as a professional Certified FileMaker and PHP web applications developer. He has a B.S. in Computer Information Science and an M.S. in Teaching, Learning, and Curriculum with a focus in Secondary Mathematics.

E.J. specializes in designing and developing e-commerce solutions customized to meet clients’ business needs. He is an expert in the development and integration of third-party microservices and APIs, including PCI-compliant payment gateway integrations with Stripe, PayPal, Authorize.NET, and more.
E.J. enjoys teaching, electronics, computers, music, and traveling. He currently lives in Naples, Italy, and teaches computer science classes at the local high school.

William Edmunds

Senior Web Developer

Born in London, England – William has been involved in software development for over a decade and is a graduate of the University of Chester. He runs a local football team and is interested in traveling Europe and learning languages.

William’s in-depth knowledge of secure & high-performance software development brings many ideas to clients of DataVast Technologies. His keen interest in the latest technologies helps to drive the TourTools product forward with state-of-the-art solutions.

Nathan Curd

Network/Data Security Analyst

Nathan is a CISSP Certified Systems Administrator with expertise in Vulnerability Assessment and Compliance. He holds a B.S. in Computer Networks and Cybersecurity and a M.S. in Information Technology. Nathan provides analysis and guidance to the DVT Management and IT teams in regard to safeguarding servers and data for the company and all of our clients.

Glen Roesch

FileMaker Developer / Server & IT

Glen is also a U.S. Navy veteran and served as an Information Systems Technician. He is an experienced FileMaker developer specializing in WebDirect solutions, API integrations, and FileMaker Server administration/optimization. He has numerous server-side technical certifications as well as experience in disaster recovery, computer/network security, and server management.

Sterling Rouse

Senior FileMaker Developer / Web Developer

Sterling joins the team with 15 years of experience – in way more than just FileMaker. He has a passion for creative problem solving and uses his investigative skills to find efficient solutions to unique problems. He has many years experience in the areas of API integration and full-stack Web application development.

Sam Mead

FileMaker Developer / UI & UX / Server & IT

Sam has a B.S. in computer science with a concentration in software engineering. He has many years experience and success in developing complex solutions for businesses with FileMaker Go, Pro, and Webdirect. Sam is our primary UI/UX designer and a critical member of the IT/Server team that maintains the servers and websites for DVT & TourTools Clients.

Ed Valenzuela

Web Developer

Ed is a seasoned Web developer and systems engineer specializing in API integrations and legacy systems. He is an expert in Php and Javascript using different frameworks like Yii, React Native, Flutter, NodeJS among others.

Ed’s skills and experience make him a critical part of the TourTools and DataVast Technologies Web Team.

Mike Spegel

FileMaker Developer

Mike has over 20 years of experience in FileMaker and IT and prides himself on being detail oriented and a creative problem solver. With his skills, he is always ready and willing to help our clients. He also has a background in PHP, JavaScript, and database management.

Jon Fairchild

FileMaker Developer

Jon has worked in the private sector, including financial, hardware manufacturing & telecommunications and in the public sector, including the Royal Signals, HM Prisons and the NHS. He has worked at Flare Software since 2007 and is a certified Claris FileMaker developer.

James Chiswell Jones

FileMaker Developer

James started his career in IT in 1992 after graduating from Filton College in Computer Science. He has worked for the Further Education Development Agency, Motorola, the BBC and Apple and co-founded Flare Software in 2000. He started using FileMaker in 1991 and has been a commercial Claris FileMaker developer since 1998.

Jeff Schaefer

FileMaker Developer

Jeff has a B.S. in Computer Science with a concentration in software development.  He has over 15 years experience in FileMaker development and Professional IT services.  He is also a Full Stack .Net developer.