Robert L. Hoffman
Institute for Systems Research
University of Maryland, College Park, MD 20742
Home: 11358 Evans Trail Office: Room 2255, A.V.Williams Bldg.
Apt. T2 University of Maryland
Beltsville, MD. 20705 College Park, MD 20742
phone: 301-931-3237 (3238) phone: 301-405-2958
Email: hoff@isr.umd.edu
Objective:
To find a challenging technical, project-oriented position, preferably
in an active research and development environment.
Education:
- B.S., Mathematics, Boston University, June 1991
- Ph.D., Applied Mathematics,
University of Maryland, December 1997
Experience:
- August 1999 - present, Analyst, Aviation Division, Metron Scientific Consulting, Inc.
- December 1997 - August 1999, Post-doctoral Fellow, Institute for Systems Research
- Jan 1997 - Dec 1997, Research Assistant, Institute for Systems Research
- 1991-1996, Lecturer, Workshop Coordinator, Teaching Assistant, University of Maryland
- 1983-1991, Independent Contractor, Choice Courier Systems
- 1982-1983, Asst. Manager, Metro Car Wash Systems, Inc.
- 1980-1982, Machine Operator, Pacer Electronics, Inc.
Teaching Experience:
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Lecturer for courses Elementary Mathematical Models, Precalculus, Calculus II
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Teaching assistant for course Linear Algebra
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Workshop coordinator for courses Calculus I, Calculus II
Aviation Analyst:
My current research is in the areas of integer programming, data analysis, and air traffic management.
This work covers topics such as the replacement of existing heuristics and procedures with
optimization models, statistical and historical analyses of ground delay programs, modeling
traffic into the major airports, and developing metrics for measuring the effectiveness of
improvements made to air traffic management. This work is being done in conjunction with a
joint project between the FAA and the airlines known as Collaborative Decision Making (CDM).
I have acted as the project manager for a performance analysis of large-scale improvements
to air traffic management made by CDM, and am currently employed as an analyst with the Aviation
Division of Metron Scientific Consulting, Inc. I contunue my affiliation with the Center of Excellence
(COE, or NEXTOR) as part of the FAA research team at the University of Maryland.
Publications:
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Integer Programming Models for Ground-Holding in Air Traffic Flow Management
, Ph.D. dissertation, 1997. Advisor: Michael O. Ball, UMD.
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Alternate Formulations of the Single-Airport Ground Holding Problem
with Banking Constraints, accepted by Operations Research, 1998.
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The Static Stochastic Ground Holding Problem.
Submitted to Operations Research.
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Collaborative Decision Making in Air Traffic Management.
Manuscript in preparation.
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Collaborative Decision Making in Air Traffic FLow Management: A Preliminary Assessment.
A report to the Federal Aviation Administration, spring 1998.
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The Rate Control Index for Air Traffic Flow.
Manuscript in preparation.
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IPE: The Integrated Predictive Error for Single-Event Predictions.
Manuscript in preparation.
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Elementary Mathematical Models with Spreadsheet Applications.
A finite/business math text book. Currently negotiating with several
publishers for national sales.
Honors and Awards:
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Departmental Teaching Award (Dept. Mathematics, Univ. MD., awarded to a
graduate assistant each year), January 1996
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University College Adult Education Teaching Award
(recognition for outstanding assistance to returning students), June 1994
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Pan-Hellenic Teaching Award, April 1995
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Honorable Mention: INFORMS Transportation Science Section Dissertation Competition 1998; 2nd place
Computer Skills:
Adept with Unix operating system, C-programming language,
AMPL programming/modeling language, CPLEX (a commercial solver),
Microsoft Windows 95. Working familiarity with Fortran, C++ (still learning).
References:
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Michael Ball, Joint appt. Institute for Systems Research,
College of Business and Management, Univ. MD.
(301) 405-2227;
mball@mbs.umd.edu
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Michael Wambsganss, Aviation Division Manager, Metron Scientific Consulting, Inc.
(703) 787-8700; wambsganss@metsci.com
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Michael Fu, Joint appt. Institute for Systems Research and
College of Business and Management, Univ. MD.
(301) 405-2241; mfu@mbs.umd.edu
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Saul Gass, Professor, College of Business and Management, Univ. MD.
(301) 405-2208; sigass@mbs.umd.edu
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Scott Wolpert, Undergrad Chairman, Department of Mathematics, Univ. MD.
(301) 405-5473; saw@math.umd.edu
Interests:
Tennis, racquetball, canoeing.
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