One thing that I realized after a while in the mainframe community is that people are open to questions. If you have any questions, feel free to reach out to me and I’ll gladly answer them.

Email Address

My email address is listed below. Just send me an email and I’ll get back to you at my earliest convenience.

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Snail Mail

If you prefer to do so, snail mail is also an option. Do note that it may take a while for me to get back to you.

Hartanto Ario Widjaya
12 Purvis Street
#02-1904
Singapore 188591