Our Team

Melissa Dark, PhD

Melissa Dark has worked in cybersecurity education for the past 23 years.  She has led several creative and impactful projects.  Her early work in cybersecurity education focused on the graduate level and has progressively grown down to community college, and now high school, in response to two needs: robust cybersecurity literacy among all cybercitizens and closing the cybersecurity workforce gap. She was a professor and associate dean at Purdue University.  In 2015, she founded DARK Enterprises, Inc., a non-profit that focuses on cybersecurity education Development, Assessment, Research and Knowledge Transfer.

Teach Cyber is one of the cybersecurity education projects within DARK Enterprises, Inc.

Mark Emry

Mark Emry is a retired high school teacher with 32 years of experience in computer science and cybersecurity education. He was a developer of the High School Cybersecurity Curriculum Guidelines in collaboration with Teach Cyber and the National Cryptologic Foundation. Mark’s involvement with Teach Cyber has included contributions to the GenCyber program, curriculum development, assessment guidance, and participation in the National Cybersecurity Teaching Academy.

He has served in leadership roles at the AP Computer Science Principles Reading since 2017, including five years as Assistant Chief Reader. He also has experience writing assessment questions for the College Board’s upcoming AP Cybersecurity and Networking courses.

A two-time NCWIT Aspirations Educator Award winner, Mark continues to support national cybersecurity education initiatives and serves on the G100 global think tank’s Cybersecurity Wing.

Mark’s work reflects his belief that rigorous, relevant learning is built on strong relationships and driven by curiosity.

Nancy Stevens

Nancy Stevens is a data specialist and curriculum creator for DARK Enterprises. She has written curriculum for Teach Cyber and the Catalyzing Computing and Cybersecurity in Community Colleges (C5) projects. Nancy has contributed to research and evaluation projects. She served on site visitation teams for the GenCyber program. Prior to joining DARK Enterprises, she taught AP Computer Science Principles, Python Programming, and Intro to Computer Science in North Carolina. She has led numerous workshops in Computer Science education. Nancy was inducted into the North Carolina Business Educator Hall of Fame in 2016, and was the honored recipient of the Dr. Orus Sutton Award in 2017. She has a BA in Business Management from the University of Northern Iowa, MA in Education from East Carolina University, and CompTIA Security+ certification.

Ashley Greeley

Ashley Greeley is a Cybersecurity Educational Specialist for Dark Enterprises, who re-joined the team in May 2025. Ashley has 16 years of high school teaching (social studies) and coaching experience, along with 6.5 years of federal government service in cybersecurity education. Ashley is a proud Purdue graduate (‘02/’07) who enjoys attending Boilermaker sporting events, attending MLB games at stadiums across the country, and visiting national parks.

Anna Alvarado

Anna Alvarado is an Education Support Specialist for DARK Enterprises. She brings over 16 years of experience in cybersecurity education, technical support, business operations, and customer service. She is currently pursuing a degree in Cybersecurity at Laramie County Community College, where she is a member of the Phi Theta Kappa Honor Society and holds certifications in CompTIA A+, Server+, and Cisco Networking. She is actively building her expertise in digital forensics—the direction in which she plans to take her career.

Anna has supported statewide cybersecurity education initiatives through CyberWyoming, helping to coordinate programs, build partnerships, and engage in community outreach. Her earlier experience includes owning small businesses and training service dogs for veterans with combat-related injuries.

Anna is passionate about making cybersecurity education practical, accessible, and meaningful for diverse learners, bringing a unique blend of technical skills and a people-centered approach to her work at DARK Enterprises.