Introducing the ed finance-obsessed people of Equiday.

Meet the team behind Equiday's drive to promote equity-forward resource allocation. Our mix of skills in school finance, computational science, and content creation helps Equiday build innovative EdFinTech solutions and deliver resources to school finance practitioners.

Justin Dayhoff

Justin Dayhoff

Founder & Chief Operating Officer

Justin is a school finance expert, data-focused education consultant, and CEO at Equiday. He has 10+ years’ experience and training in public schools (including as a teacher and data coach). Justin is a quantitative researcher who focuses on school finance equity, weighted-student formulae, data analysis, and program evaluation.

Frustrated with inequities he saw in the school setting, Justin left teaching to pursue education policy studies at The University of Maryland. He has worked as a research associate in large-scale education evaluation and as an Applied Research, Assessment, and Reporting Analyst for Prince George’s County Public Schools. He also served as an Education Fellow under MD House Ways and Means Committee Chairman, Anne Kaiser. Justin holds a Master’s degree in Sociology & Education (Columbia University Teacher’s College) and a Bachelor’s in Music Education (NYU). In his free time, he enjoys music and theater, road trips, and boxing and scuba diving. Justin lives in Darnestown, MD, with his wife, Meredith, daughter, Annabelle, two dogs, and two cats.

Guy Dayhoff

Chief Technical Officer

Guy is the Chief Technical Officer and Lead Software Engineer at Equiday. He loves modeling and exploring the real world by way of supercomputer simulations. Guy has been developing software for 20+ years and his favorite languages are C, BASH, and Python.

In 2016, Guy graduated with a B.S. in Cell and Molecular Biology from University of South Florida. Now, he is a National Science Foundation fellow at USF pursuing a PhD in computational chemistry. Guy is passionate about education, interdisciplinary research, and reducing the number of underrepresented groups in STEM. He is the Founder and President of the Computational Science Club at USF which serves the greater Tampa Bay Area through volunteer initiatives targeted at underserved public schools. Prior to beginning graduate school, Guy spent nearly a decade in the technology industry working for technology companies like Apple and as a consultant.

When he’s not being an academic, Guy enjoys table-top and video gaming, exercising, and programming for fun. He lives in Tampa, Florida with his fiancée, Vi, and their orange tabby cat, Mac Fuego.

Guy Dayhoff
Megan Rainbow

Megan Rainbow

Chief of Marketing & Sales

Megan leads the customer-centric initiatives at Equiday as the head of marketing and sales. Her work revolves around getting to know our district partners, understanding their challenges, and baking solutions and helpful information into our services and resources.

A budding scientist, Megan studied neuroscience and behavior as an undergraduate at Barnard College in NYC. She continued graduate research studies in the timekeeping mechanisms of the brain at Columbia University before pivoting to the business world. Ultimately, Megan earned an MBA from Penn State University and established her career in marketing operations and business development. Most recently, Megan worked in content strategy and marketing analytics with enterprise clients in the life sciences and software industries.

Megan’s home office doubles as a craft studio where she enjoys sewing, knitting, and her latest hobby-of-the-month. She also keeps busy as a semi-professional violist in local chamber orchestras and in the theater. Megan lives in Erie, Pennsylvania, with her husband, children Charlotte and Elliot, and four furry friends.

William Duffield


William graduated from Rowan University in South Jersey with a degree in History. He is an experienced campaign operative, previously working on Congressman-Elect David Trones campaigns as well as with the Florida Democratic Party’s Coordinated Campaign in 2016. Frustrated with inequalities in education he saw as a Substitute Teacher and Paraprofessional in New Jersey, William decided to shift his focus from campaigns to education policy. When he’s not working or on the campaign trail, William enjoys traveling, cooking, playing video games and watching sports. He is a huge Philadelphia Eagles and Phillies fan. He currently lives in Gaithersburg, Maryland.