In University, I study Mathematics (specialty: Analytics). I have Master of Science(Mathematics).
In joining NetVillage Co.Ltd., (currently company name is "fonfun Corporation") in Japan, I study Perl (especially Apache mod_perl mechanism) and Postfix/BIND/LAMP basically skills in about 9 years.
I talked presentation "Modern mod_perl introduction" on YAPC::Asia Tokyo 2012, Perl world conference in Japan.
Mainly, I am Perl programmer. And I experience handling of outsourcing, mail server (Postfix) operation, web application security consultant, and some web applications' API design, and so on.