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Nothing will ever please me, no matter how excellent or beneficial, if I must retain the knowledge of it to myself. Seneca, Letters to Lucilius
Sabet Vallejo, MSCM, PE
President / CEO

Sabet is an enthusiastic instructor and has been teaching engineering and.NET classes for more than 20 years.


Sabet has a Bachelor of Science in Civil Engineering from the University of California, Irvine, and a Master of Science in Engineering Construction Management from the University of Washington.

Sabet has trained many students and professionals using C# and .NET Tools for the past 20 years in Seattle, Washington. She has developed online notes on this website by using ASP.NET, C#, and Visual Studio .NET in order to improve the students experience and help them to deeply engage with the topics as well as comfortably interacting with the course content and assignment during each session. She is currently teaching C# Client development using .NET Core and Foundation of Programming using C# at the University of Washington Extension.

Sabet has been an outstanding engineer for more than 30 years and is a registered Professional Engineer both in Washington and Oregon states. She’s excited about the power of engineering in creating simple solutions to complex problems and, over her career, has solved many engineering problems through the use of software development tools. She’s also used programming tools, primarily, to assist with structural seismic and wind analysis on many unique and high-rise projects including Safeco Field and Escala, an award-winning high-rise building downtown Seattle. Previously, while at Tetra-Tech, she worked on the Panama Canal Expansion at the Pacific and Atlantic sites, helping to design the new international Third Set of Locks.

Here's what the students say about Sabet's teaching and presentation style:

  • Sabet brought programming alive to me. She was by far one of the most prepared instructors I have come across. I wish there were more instructors like her.
  • Sabet was an excellent instructor and made me unafraid to learn more.
  • Sabet gave me a lot of knowledge and the confidence to continue studying.
  • Sabet has a great knack for simplifying complex concepts and making the class fun. She's also very generous with her time, providing great comments and further learning via e-mail.
  • It was a miracle that even a non-programmer like me could follow.
Daniel Vallejo
Vice President

Daniel has been a software developer for the past 25 years. He has obtained a patent the first year at Microsoft No. 6,545,691 for Client-Side control of controls loaded by a browser.


He has worked on many diverse and complex projects including Microsoft Money, Microrim's R:Base for Windows, and Microsoft Visual Studio. He has consulted for many startups in the Seattle and Dallas area. Currently, he works at Nordstrom for various backend services supporting the website.

He has taught C, C++, MFC, OLE, COM, and other programming classes for more than a decade at Bellevue Community College and for many software companies including Microsoft and Boeing. Currently, he is teaching C# Client and Web development using .NET Core at the University of Washington Extension program.

Here's what the students say about Dan's teaching and presentation style:

  • Not only was the instructor knowledgeable about the subject but he knew how to teach.
  • He gave excellent explanations and really knew the material inside and out.
  • I enjoyed Dan's use of humor in the class and yet very professional teaching style.