He ever worked for Gensym Corporation from 2009 to 2016, and was the lead engineer of Gensym G2, a real-time rule-based development platform written in Common Lisp (a million lines!)
Most of his Lisp-related work GitHub
Also see his LinkedIn profile.
Early contributions
UDP support for LispWorks (before LispWorks 7.0 officially provided this facility), also see lispworks-udp.
A full implementation of SNMP (Simple Network Management Protocol) (both server and client) for Common Lisp, also see cl-net-snmp.
Maintainer of usocket project.
Recent activities
Study CLOS/MOP and Semantic Web.
Chun Tian (binghe) person