Our Brilliant Team

Our Brilliant Team

LuminFire is made up of friendly and talented people with brilliant minds ready and willing to help your business be more effective, productive, and profitable.

Tim Cimbura

CEO and Software Engineer

Tim is an expert in creating custom business solutions that make businesses more effective, productive, and profitable. He specializes in rapid application development with FileMaker (certified in all versions) for macOS, Windows, iPad/iPhone and web app integration with WordPress. He also knows Apple technology inside and out.

Dr. Brenda Cimbura


Brenda is responsible for LuminFire’s strategic operations, marketing, and communications. She will ensure that you have the best experience working with LuminFire. Brenda has her doctorate in administration and is an expert idea generator and communicator with award winning projects that have appeared on television, web, and in print. Brenda has taught graduate level courses… Read more about Dr. Brenda Cimbura

Nick Ciske

Nick Ciske


Nick has a degree in Multimedia Design and over 20 years of experience working in web development and digital media. In his career he’s built or rebuilt just about every kind of website, including many content management systems (before WordPress), several custom e-commerce systems, and hundreds of websites.

Joelle Friesen

Executive Director of Client Engagement

With over twenty years of leadership in operations and business development in both non-profit and for-profit organizations, Joelle brings a well-rounded perspective to the things that matter most to business owners and the people who support them. Her comprehensive experience makes her uniquely qualified to help our clients translate their business challenges into real-world technology… Read more about Joelle Friesen

Sarah Scharff

Director of Client Delivery

With more than two decades of experience in project management and leading teams, Sarah is an expert at Client Delivery. Upbeat and optimistic, Sarah skillfully manages all aspects of a project from intake to delivery, communicating effectively with our clients and development teams every step of the way to ensure success. Outside of the office,… Read more about Sarah Scharff


Client Account Specialist

Kristina is passionate about people. With experience in various leadership roles, she holds a diverse portfolio of skills in project management, marketing, and accounting. She enjoys problem solving, strategic thinking, and increasing efficiencies in every area of business. Ideation is her strong suit, as she always has ideas on how to improve customer experiences and… Read more about Kristina


Client Delivery Specialist

Tim (“Rocky”) loves people, problem solving, and ensuring that projects run smoothly. Having held a variety of leadership roles, Tim is adept at hearing and creatively responding to the needs of those he is serving. Beyond the professional, Tim loves sports, music, and is an insatiable learner.