Clients

Clients, case studies and testimonials

Interstate 21 has trained and advised development teams in government, finance, healthcare, hospitality and industry since 2014.

1000+developers trained
60+conference talks & workshops
10+Fortune 500 clients
Trusted by teams at
  • US Army
  • Lawrence Livermore National Laboratory
  • Federal Reserve Bank of San Francisco
  • Intel
  • Starbucks
  • IBM
  • Best Western
  • Discover Financial Services

Case studies

Three long-term engagements, with context, training and outcome.

80+developers trained

Federal Reserve Bank of San Francisco

San Francisco, California, USA

6 on-site sessions (2017–2019). Mentored the FedCash team to rewrite several mission-critical applications, all launched ahead of schedule.

Read the case study →
50+developers trained

VSP Vision Care

Rancho Cordova, California, USA

On-site training 2017–2021. Mentored the VSP.com team to rewrite the entire website.

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30+developers trained

Best Western

Phoenix, Arizona, USA

2 sessions in 2019. Migrated the entire reservations portal from AngularJS to Angular.

Read the case study →

Testimonials

Verbatim feedback from participants and managers.

“Simply the best and most knowledgeable instructor that I've encountered. Brilliant!”

(traduit de l’anglais)
Deron W. · Lawrence Livermore National Laboratory, Livermore, CA

“This was by far the best training/consultation that I have been involved with. Alain’s extensive knowledge, quick wit, and industry insight made for a truly invaluable and unforgettable experience.”

(traduit de l’anglais)
Lele G. · Federal Reserve Bank of San Francisco · Lead Software Developer · San Francisco, California, USA

“Alain got two server side developers (including me) up to speed on Angular so fast that we were already contributing code after one day of training. He was a pleasure to work with and a great asset to the team.”

(traduit de l’anglais)
Daniel T. · Lightsail · Cape Town, South Africa

“Congratulations on another successful Angular Training! I’ve heard great feedback from our employees. Can we schedule more classes next month?”

(traduit de l’anglais)
Ron E. · VSP Vision Care · Rancho Cordova, California, USA

“My developers spent 3 days with Alain and have been coding new features faster than ever before. I'm truly impressed.”

(traduit de l’anglais)
Carolyn K. · Best Western · Phoenix, Arizona, USA

“Thank you for being very patient, thorough, and clear when you answer people's questions. Also, the way you have presented class materials and lab exercises is really excellent. I feel I have learned a lot.”

(traduit de l’anglais)
Brian H. · IBM

“It was really great to have a trainer who really knew what he was talking about and answered 100% of our questions.”

(traduit de l’anglais)
Jeff · The Weather Channel · Atlanta, Georgia, USA

“Angular Training really helped me get to the next level in my front end development career with Angular. Much appreciated!”

(traduit de l’anglais)
Don H. · Fannie Mae · Dallas, Texas, USA

“Very well taught class. The pacing was just perfect and the instructor's knowledge of the subject was commanding. I was able to learn a lot and this will help me at work.”

(traduit de l’anglais)
Anthony Y. · Macy's · San Francisco, California, USA

“Alain Chautard était une personne très compétente et pédagogue”

Bertrand L., LUCEM CONSEIL · 06/10/2026 · France

“Très bon formateur qui guide pas à pas et à qui l’on peut poser différentes questions pour aller plus loin. Il a une très bonne connaissance de React mais aussi de l’écosystème tout autour.”

Thibault P., ADIMEO Group · 21/10/2026 · France

“Très bon intervenant avec une expérience indéniable qui apporte énormément à la formation. Contenu applicable dans le monde réel, pas uniquement de la théorie.”

Benoit N., LUCEM CONSEIL · 06/10/2026 · France

“Formation bien structurée, bien menée, agréable, et qui a pleinement répondu à mes besoins. Le formateur maîtrise totalement son sujet.”

Let's talk about your team

Or email contact@interstate21.com