Jonathan Marcus

Founder, CEO

Previously, Jonathan helped grow Vimeo as VP/GM, was a co-founder of Pronto, and held a variety of incubation roles at IAC/InterActivecorp. His career started in the Technology M&A Group at Banc of America Securities, and he graduated Cum Laude from the University of Pennsylvania with a B.A. in Economics.

David Marcus

Founder, COO

David was born and raised in La Jolla, Ca. and graduated from the University of Wisconsin-Madison. David founded, a search engine for authentic sneakers. Prior to founding HiiDef Inc., David was a project manager at Trigram GC and founder of Project Rebar. David currently resides in Aventura, Fl with his brother Jonathan, and two dogs Marlo and Avon.

Jack Zerby

Co-Founder, Lead Designer

After graduating from Rochester Institute of Technology, Jack spent 3 years as a designer for Pentagram Design and partner Lisa Strausfeld. After Pentagram he worked as a designer for R/GA and Frog Design. Most recently he was the lead designer for Vimeo. He lives in Hoboken, NJ with his wife Marisa, and his baby boy Jack. He is also a musician with 3 independently released albums.

Sean Jackson

Developer / Designer

Sean is from Oakville, Ontario Canada and has been a professional developer for over 15 years. Sean has spent the last three years building and leading the design of all UI/UX experiences at Mahalo. Prior to Mahalo, he was one of the pioneers of web conferencing at Astound/Genesys Conferencing, creator of iPodderX for Windows and the social media site Popcurrent. He is passionate about jQuery, Python, Django, music, gadgets and spending time with his kids. Sean is a husband and a proud father of 4 wonderful children.

Jason Moiron

Python Developer

Jason studied Computer Science at Stevens Institute of Technology. Before joining Hiidef, he worked at a variety of companies ranging from wireless network research to publishing. Jason also maintains a growing number of contributions to the python open source community. He loves programming, bad music, food, travel, proper football and the word fantastic. He lives in New York City with his fantastic girlfriend.

Brent Hagany

Python Developer

Before coming to HiiDef, Brent held programming positions in the travel and printing industries, where he developed skills in front and back end web programming, as well as some system administration. He lives with his wife and two kids in Wisconsin, where he cultivates a refined dislike for cold and snow, and enjoys copius amounts of reading, long board games, disc golf, and fantasy football.

Katie Allen

Customer Support

Born and raised in Wichita, Kansas, Katie is a recent transplant to New York City. She graduated cum laude from Rockhurst University with a degree in English, and has more than five years of experience in customer service, plus a keen interest in online community creation. She loves Indian food, Raymond Carver's short stories, and pale ales.

Hans Kuder

Python Developer

Hans studied electrical engineering and computer science at the University of Michigan. Before joining HiiDef, he wrote software to control robots at MTS Systems and helped build the health care startup Bloom Health. He has experience with scaling applications, wrangling Big Data, using statistics and machine learning to do useful things, and building engaging web products. He lives in Minneapolis, Minnesota with his indescribably incredible fiance Kaitlin and intractibly insane dog Mona.

Chad Johnson

Python Developer

Chad hails from Green Bay, Wisconsin where he lives with his wife and two children. After studying Computer Science at the University of Iowa Chad held positions in the ISP, Wireless, and Printing industries. Throughout his 10 years as a professional developer Chad has worked extensively with PHP, Perl, and Ruby. At HiiDef, with Python, Chad has embarked upon his fourth tour of duty with a major Linux scripting language. When not tirelessly hacking on open source projects Chad enjoys spending time with his family, b-grade horror movies, a fine micro brew, and rooting for the Packers.