Richard Blum

Richard Blum has been an IT industry professional for over 18 years, working mainly as a network and systems administrator. During this time, he has worked with Microsoft, Novell, Unix, and Linux servers, and has created Web sites using a variety of different programming languages. Blum is the author of several programming and systems administration books, including Professional Assembly Language, C# Network Programming, PostgreSQL 8 for Windows, Sendmail for Linux, Postfix, and Network Performance Open Source Toolkit.

Courses

Robin Sellers

Robin Sellers is a certified teacher with a Master of Arts degree with a concentration in Technical and Professional Communication. She has over 11 years of experience in the traditional classroom and has been an online instructor since 2000, training thousands of students. She has the ability to take difficult or technical concepts and make them easy for her students to understand. Her students claim that she has a gift for communicating online in a clear, concise, and personal way and that she is a "born" teacher who makes her courses interesting and enjoyable.

Richard Blum

Courses

Tutors

Robin Sellers

Courses

Tutors