Staff and Instructors

Meet the DevelopIntelligence Staff

Kelby Zorgdrager
President
Kelby Zorgdrager is the president and founder of DevelopIntelligence. Kelby, a serial entrepreneur, has started two successful businesses in his career. Much of his career has been focused on...
Carmel Ulbrick
Enterprise Program Manager
Carmel joins DI with almost a decade of experience working within startups and alongside intrepid entrepreneurs. In addition to working at DI, Carmel moonlights as a Full Stack Developer...
Daphne Biener
Program Manager, Key Accounts
Daphne comes to DI with a professional toolbox filled from experiences across a wide range of business settings. She has worked with start-ups, non-profits, healthcare and hospitals, and management...
Dave Wade-Stein
Senior Software Instructor
Dave received a B.S. and an M.S. in Computer Science from the University of California at Santa Barbara, after which he taught in their computer science department for 3 years. He then moved to...
Julie Halbersberg
Director of Training and Operations
Julie has been managing diverse teams for nearly a decade, and loves the unique challenges and constant learning opportunities offered in the technology world. With a varied background in customer...
Kamren Zorgdrager
Director of Product Development
Kamren Zorgdrager is the Director of Product Development at DevelopIntelligence. Ever since youth Kamren has enjoyed exploring, getting dirty, playing and experiencing life. Today he is trying to...
Kyle Pennell
Technical Instructor
Kyle is from Washington State, and lived in California before moving to Boulder in 2014. He taught English in Bogota, Colombia as well as Oaxaca, Mexico (he also speaks conversational Spanish)....
Margaret Burd
Advisor
Margaret is the Executive Chairwoman of Magpie Software Services Corp.
Patrick Keating
Account Manager
With over two decades of success in training, support and sales, Patrick has a diverse background resulting in hard-won skills he leverages to make sure that clients get what they need. As a...
Ted Strelecky
Program Manager
Ted joins DI with over a decade of experience in account management within advertising, sales, technology, and software services. Growing up in central Illinois, he has also lived in downtown Chicago...

Meet the DevelopIntelligence Instructors

Kelby Zorgdrager
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Kelby Zorgdrager’s expertise in Java, Open Source, and software development have allowed him to be a guest speaker at JavaOne, Java University, Comdex, IEEE Software Conference, and the...
Alex
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Alex began writing code as an eight year old on his first computer, a Tandy TRS-80. In 1995, Alex developed his first website and has been hooked ever since. He went on to study Computer Science at...
Andrew S
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Andrew is a mathematician turned software engineer who loves building systems. After graduating with a PhD in pure math, he became fascinated by software startups and has since spent 20 years...
Anil
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Anil is a seasoned software engineer with over 16 years of Java development experience. Anil started his career as a Unix programmer, slinging C-code, writing shell scripts, and teaching others how...
Balint
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Balint has a decade-long career in back-end development before he began learning Ember.js, a client-side framework for building awesome web applications. The more he learned about it, the more he...
Bill
Bill is a contract UNIX-certified System Administrator and instructor, with 25 years of experience working with Solaris, HP-UX, AIX, Linux and Microsoft Windows at over 250 companies across the...
Brian
Brian has been building and marketing web applications for more than 10 years. Brian embeds real world examples into every course, and has a knack for explaining the “why,” so students...
Brian
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Brian has been designing and writing web-applications across a wide range of industries and needs since 1998, and writing code for most of two decades prior to that. He has designed and implemented...
Craig
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Craig recently released the book, The JavaScript Framework Guide: AngularJS, Backbone, and Ember. Craig has been a guest on the Hanselminutes and JavaScript Jabber podcasts. He’s an avid...
Daniel
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Like many experts in similar fields, Daniel is an entrepreneur. Daniel founded Collective Idea in 2005, converting it from one man’s freelance projects into a thriving company with employees in...
Daniel
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Daniel has been a self-employed developer, teacher and speaker for private businesses, education and government entities since 1999. Daniel also actively teaches programming for the University of New...
Dave
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Dave began his professional career working in a government lab in collaboration with resident scientists. Exploring alternative approaches to the analysis of various satellite data and developing...
Dave
Dave received a B.S. and an M.S. in Computer Science from the University of California at Santa Barbara, after which he taught in their computer science department for 3 years. He then moved to...
Elias
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Elias Carlston has 20 years’ experience as a software engineer, from lean startups to large enterprises. Having great mentors early on showed Elias the value of sharing knowledge, and he...
Elon
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Elon has over 20 years of technical training experience and strongly believes that developers learn best by doing. He has trained in 40+ countries, and counting. Elon is extremely passionate about...
Eric
Eric is a consultant, a trainer, and a passionate programmer. For the past 15 years, he’s been building applications in a wide variety of industries, from structural engineering to video...
Eric
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Eric is a professional trainer and software developer who loves learning new things, sharing what he learns, and helping clients to solve business problems. He holds a BS in Computer Science from the...
Eve
Eve has been focused on web and curriculum development since college, where she studied user interface design and usability. Since then, she has consulted as a project manager and coder to deliver...
Greg
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Greg is an independent consultant and trainer with over 30 years of experience in the software development industry. He has a passion for helping software developers and teams increase their...
James
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James has over 15 years of experience as a Java developer and has spent the majority of his career building large-scale applications at Accenture and other consulting firms. Jim also has provided...
Jason
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With backgrounds in technology, business and education, Jason brings a broad array of experience to BDA. He’s been programming since he was a kid and currently runs a business, 303 Velocity, that...
Jason
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Jason is a 15-year software engineering veteran with experience in front and back end technologies. Jason got started with Adobe solutions on the server, later moving into .NET development and brief...
Jean
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Jean brings years of development experience into her teaching, making the learning experience practical for her students. Originally a Smalltalk developer, Jean has an expansive knowledge of object-...
Jeremy
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Jeremy is a technology enthusiast who loves exploring, learning, and creating new technologies. One of his earliest programming feats – at eight years old – was modifying the game “...
Jeremy
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Jeremy is a senior software engineer with over 15 years experience building websites and applications. He develops mobile apps with Ionic, crafts user interfaces with AngularJS, and builds web-...
Joshua
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Joshua has been in the Internet industry almost since its inception, working as an enterprise systems administrator for 5 years, as a systems/network architect for two years, and as a developer for...
Julian
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Julian first touched fingers to keypunch in 1972, punching Fortran code onto cards at Imperial College in London (England, that is) and soon moved onto Macro-11 programming on PDP-11s. This qualifies...
Kamren
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Kamren has a love of all things front-end and has enjoyed bringing his 10+ years of web development experience into each class he teaches.
Kito
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Kito D. Mann is the Principal Consultant at Virtua, Inc., specializing in enterprise application architecture, training, development, and mentoring with JavaServer Faces, HTML5, Web Components,...
Kyle
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Kyle is from Washington State, and lived in California before moving to Boulder in 2014. He taught English in Bogota, Colombia as well as Oaxaca, Mexico (he also speaks conversational Spanish). Kyle...
Mark
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Mark is an experienced/hands-on BigData architect. He has been developing software for over 20 years in a variety of technologies (enterprise, web, HPC) and for a variety of verticals (healthcare, O...
Marnie
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Marnie brings 15 years of experience delivering programming related training. During that time she has taught for top-technology companies including: Sun (and later Oracle) certified Java classes,...
Michael
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Michael is a practicing software developer, course developer, and trainer with DevelopIntelligence. For the majority of his career, Michael has designed and implemented large-scale, enterprise-grade...
Michael
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Michael owns and operates Inkling Research, a consulting group of technical specialists. His work experience includes systems administration, application and operating system development, and the...
Nick
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Nick graduated from CSU in 2007 with a 3.54 GPA and a dual degree in Marketing and Computer Information Systems. He worked for two years as a web developer for various companies, including Hewlett-...
Pete
Pete Lyons
Pete has been doing professional software development since 2001. His experience includes the full spectrum of businesses from large Fortune-500 Enterprises through growing mid-sized companies, down...
Peter
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Peter started programming before he learned how to use a keyboard properly, after messing around with a Commodore 64, BASIC, and a few cassette tapes. Starting in the late 1990’s Peter became...
Peter
Peter is a Senior Java Developer / Architect / Manager with over 20 years of experience in the analysis, design, and development of computer systems, including 20 years of experience architecting and...
Peter
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In an increasingly web-driven world, Peter believes that the way the web is evolving is important. A frequent speaker at tech meetups, he has spoken on topics such as Node.js, the HTML5 Audio API,...
Phil
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Phil was a member of the second cohort of instructors to be trained by Sun to teach their Java courses. and has lectured at the undergraduate and graduate levels at San Jose State University and the...
Reuven
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Reuven created one of the first 100 Web sites in the world just after graduating from MIT’s computer science department. He opened Lerner Consulting in 1995, and has been offering training services...
Rich
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Rich is a full-stack generalist with a deep and wide background in architecture, development and maintenance of web-scale, mission-critical custom applications, and building / leading extraordinary...
Rick
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Rick is the principal consultant at Arborian Consulting, LLC. Previously, he was a lead software engineer at Geeknet, the company that owns the websites SourceForge, Slashdot, ThinkGeek, and FreeCode...
Sander
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Sander started using Linux in the year that Linus Torvalds presented it to the world. He wrote his first Linux course in 1995; to date, this has resulted in nearly 60 books and hundreds of articles...
Simon
Simon has over 15 years of experience defining, developing, and delivering software development training programs. As a senior instructor and courseware developer for Sun Microsystems, Simon...
Steve
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Steve, a consultant and database administrator, has over 20 years of practical experience with Oracle, Sybase and SQL Server. He is certified in Oracle version 8 through 11g and is a charter member...
Sujee
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Sujee has been developing software for 15 years. In the last few years he has been consulting and teaching Hadoop, NOSQL and Cloud technologies. Sujee stays active in Hadoop / Open Source community....
Will
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Will attended MIT for a B.S. in CS and an MEng in Machine Learning with his Master’s thesis on self-learning classification optimization systems. He has co-founded and ran three startups in various...

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