David Lutterkort

Work Experience

since Mar. 2005

Red Hat Inc., senior engineer in the Red Hat Network engineering group, extending and rewriting a Perl-based web application in Java.

Apr. 2004 - Feb. 2005

Red Hat Inc., consulting work at a large New York Investment Bank, architecting and developing an interactive risk monitoring system. The system computes Value-at-Risk and related risk metrics; it is based on standard J2EE technologies, and uses a large (>4GB) in-memory cache. Architected a redundancy and distribution solution based on RMI for this cache, among other things.

Feb. 2004 - Mar. 2004

Red Hat Inc., consulting work at a large Swiss Investment Bank, advising and supporting C++ development team on deploying Red Hat Enterprise Linux, how to move development environment from Solaris to Linux, and on open source development tools (autotools, rpm, oprofile, etc.)

Feb. 2002 - Jan. 2004

Red Hat Inc., since their acquisition of Arsdigita. Continued work on WCMS project for large German company as technical lead/principal architect. Principal Consultant on the architecture of solutions based on Red Hat's Enterprise Applications (RHEA), both in support of sales efforts and for client projects based on RHEA. Work with RHEA Engineering group to enhance product with features developed in the field.

Oct. 2002 - Feb. 2002

Arsdigita Inc.. Technical lead and principal architect on the WCMS (web-based content management system) project for the corporate intranet of a large German company (~ 250,000 employees), coordinating and guiding the work of a team of 9 developers.

Jul. 2000 - Oct. 2002

Arsdigita Inc.. Designing and implementing applications for collaborative online communities. Project Lead for the Arsdigita Content Management System, leading a team of 3-6 software engineers in designing and implementing ArsDigita's CMS in Java. Support sales force in selling CMS projects.

Jan. 2000 - June 2000

Postdoc at the University of Florida. Continued work based on my dissertation. Implementation of subdivision surfaces using CGAL in C++.

Feb. 1996 - Aug. 1996

Proglas Engineering, Forst, Germany. Designed and implemented software to aid designers in creating patterns to be milled on glasses. The main development is a drawing program for patterns, integrated in the Proglas design system CrystalCAD.

Apr. 1995 - Oct. 1995

Free contractor for Proglas Engineering The software that was part of my Diplom-thesis was developed during that time.

Jan. 1991 - Aug. 1992

Research Assistant, Universität Karlsruhe
Developed software for the visualization of Lindenmayer Systems, a certain type of fractals.

Education

Aug. 1996 - Dec. 1999

Ph.D. in Computer Science, Purdue University. GPA: 4.0/4.0
Thesis: Envelopes of Nonlinear Geometry
Advisor: Jörg Peters.

Jan. 1994 - Jan. 1996

Oct. 1990 - Aug. 1992

Diplom-Informatiker, Universität Karlsruhe, Germany.

Aug. 1992 - Dec. 1993

M.S. in Mathematics, University of Massachusetts, Amherst. GPA: 3.9/4.0

Teaching Experience

Spring 1997

Nonlinear Numerical Methods (Purdue)

Fall 1996

CS 435, Introduction to Computer Graphics (Purdue), lecturing and lab instruction

Spring 1995

Introduction to Computer Science IV (U Karlsruhe, Germany), weekly recitation sections and labs.
Designed semester-long lab project: Implementing simple Lindenmayer systems and a turtle interpreter in Sather-K

Fall 1994

Computability and Formal Languages (U Karlsruhe, Germany), weekly recitation sections

Fall 1993

Linear Algebra and Probability (UMass, Amherst), weekly recitation sections

Publications

• D. Lutterkort, Envelopes of Nonlinear Geometry, Doctoral Dissertation, Purdue University, May 2000.

• D. Lutterkort and J. Peters, Smooth Paths in a Polygonal Channel, ACM Symposium on Computational Geometry 1999, Miami.




• D. Lutterkort, Computing linear envelopes for uniform B-spline curves, SIAM 1999 Best Student Paper Prize, presented at the SIAM Annual Meeting 1999

• D. Lutterkort and J. Peters Tight linear envelopes for splines, 1999, to appear in Numerische Mathematik.

• D. Lutterkort, J. Peters and U. Reif, Polynomial degree reduction in the L₂-norm equals best Euclidean approximation of Bezier coefficients, Computer Aided Geometric Design (16)7 (1999), pp. 607-612.

• D. Nairn, J. Peters and D. Lutterkort, Sharp, quantitative bounds on the distance between a polynomial piece and its Bezier control polygon , Computer Aided Geometric Design (16)7 (1999), pp. 613-631.
• D. Lutterkort, Lagebestimmung und Konturkorrektur allgemeiner Körper, Diplomarbeit, Universität Karlsruhe, Fakultät für Informatik, 1995.

Awards and Honors

• SIAM Best Student Paper Prize 1999
• Purdue Research Foundation Fellowship 1998-1999 (2 yrs.)
• Purdue Research Foundation Summer Research Grant for the summer of 1997
• Member of UPE (Computer Science Honors Society)

Skills

Foreign Languages