Tanadi Santosa adalah seorang entreprenuer yang cukup disegani di Surabaya dan Indonesia. Usaha yang digelutinya meliputi berbagai macam bidang mulai dari toko cinderamata, komputer, sampai web design. Salah satunya yang berhasil masuk dalam 50 UKM teratas di Indonesia adalah PT Kompkindo Media Dewata, yang lebih dikenal dengan nama SAM-DESIGN.

• Chairman of APKOM, Asosiasi Pengusaha Komputer Jawa Timur, East Java Computer Businessmen Association, 1997-1999, currently serving as Advisor of Apkomindo Jatim.
• Guest lecturing on several Universities on the subject of Business, Marketing, Strategy, Internet, Entrepreneurship, and Creativity.
• Writing book reviews and articles for SWA magazine and several other publications.
• Doing Corporate Training for Salesmanship, Strategy, Leadership, Creativity&Innovation, and Personal Effectiveness.
• Public Seminars in Surabaya, Jakarta, Jogja, Semarang, Bandung (Schedule will be listed here, only about once every 4-5 months).
• Consulting for companies on management, strategy and marketing.
• Doing radio talk show at PAS FM (Jakarta, Surabaya, Bandung, Semarang, Solo) about Business Wisdom every Monday, Tuesday, Wednesday.