1109 E. 52nd #2

Chicago, IL 60615

773-667-1698

Skills:

• Languages: Python, C, C++, SQL, HTML, some Scheme, Perl, ML, Java, x86 and 6502 assembly
• Platforms: Linux (x86), Windows NT/9x
• Tools: Gtk, PLY (Python lex/yacc), Apache, GNU Octave (similar to Matlab), make, RCS, CVS
• Networking: Protocol design, wire-format debugging of TCP, X.25, and HDLC issues.

Experience:

• Consultant, Ducks-In-A-Row, 2004-5:
  • Implemented and helped design web-based workflow application for City of Madison Zoning Department using Python, Twisted, and Nevow.
• Consultant, Cheshire Project at University of Liverpool, 2003:
  • Upgraded PyZ3950 to support Z39.50v3, and internationalization.
• Sabbatical, 1999-2003. Among other activities, developed assorted Open Source software (available from http://www.pobox.com/~asl2):
  • RhythmLab (C++/Linux), a Gtk-based tool for visualizing and interactively experimenting with polyrhythms.
  • Dissociated Studio (C++/Linux), a novel FFT/dotplot-based music visualization tool.
  • PyZ3950 (Python), a Z39.50 implementation, including an ASN.1 compiler, BER encoder/decoder, and MARC toolkit (contributing to standardization of ZOOM, a OO Z39.50 API, defining Python binding).
  • Tyrannioware (Python), a book cataloging system (using PyZ3950 and PostgreSQL) with Web interface.
  • Pinefs (Python), a user-space NFS interface to the Python object namespace, and ONC IDL-to-Python compiler.
• Consultant, OverX, 1999:
  • Consulted on design of distributed database protocols and software.
• Senior Developer, Townsend Analytics, 1989-1999:
  • Designed and implemented network protocols running over TCP/IP, Netbios, and Vines for financial market data, and HDLC system for satellite broadcast of data.
  • Designed parsers for financial data feeds. Wrote custom bisync, SDLC, and async drivers (under MS-DOS and Windows NT) for assorted hardware to communicate with financial exchanges and other data providers.
  • Redesigned and reimplemented servers for financial news and instrument price data (both pushing current data and retrieving historical data), using ISAM database.
  • Wrote network and server monitoring applications for server farm serving multiple T3s of bandwidth to thousands of users. Debugged obscure network problems.
  • Helped design Archipelago equities trading system, trading 10 million shares/day by 1998.

Education:

• University of Chicago, 1986-8 (full-time), 1990, 1995 (part-time). Coursework included Compilers, Static Analysis, Programming Languages, Algorithms, Automata/Complexity Theory.