Sean Clark

Phenomenology Group Manager at Systems Engineering Group
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Contact Information
us****@****om
(386) 825-5501
Location
Silver Spring, Maryland, United States, US

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Melissa Clark

Sean is a diligent student, eager to help other students and take part in dynamic class discussions. What a stellar student and person!!!

Andrew Welch

Sean's greatest talent is his willingness to explore new possibilities and take on great challenges, and then to come up with innovative programming every time. He has been a quick study on everything new I have seen him encounter, and the care he takes to getting things done right makes him very valuable to any project he takes on.

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Experience

    • United States
    • Defense & Space
    • 1 - 100 Employee
    • Phenomenology Group Manager
      • Aug 2022 - Present

      Manages the Phenomenology Group, which is responsible for developing physics-based phenomenological models, tools, products, analysis, and documentation related to sensor observables in an Integrated Air and Missile Defense (IAMD) environment. Areas of phenomenology include but are not limited to: Environment (Land, sea clutter, etc.) and Body-to-environment interaction (plume, RF wake, clutter). Provides technical oversight and delegate tasking to the phenomenology group members, hires and trains new phenomenology staff, update and maintain group processes and standards, mentor junior members, and guide the team’s professional development. Additionally, acts as a senior phenomenology scientist, performing research and analysis on advanced missile defense topics with a focus on the E&M phenomenology, and the associated mathematics and aerospace topics. Responsible for documenting the progress and results of the research and analysis, including briefing internal and external customers, writing white papers, and contributing to contract proposals. Applies this research to developing prototype physics algorithms and contributions to the creation of software tools based on these prototype to meet customer and strategic requirements. Acts as a Subject Matter Expert for the Threat Model Clutter Assessment Tool (TMCAT), a physics-based simulation for driving requirements in radar development. Works to maintain and grow the technical capabilities for RF and kinematic modeling, provide expertise in meetings with internal and external customers, and aid in the verification and validation of related products. Acts as a lead in related projects, provides inputs to ROM and BOE development, and takes the lead in planning, designing, executing, and validating new products. Show less

    • Phenomenology Scientist
      • Aug 2019 - Aug 2022

      As a Phenomenology Scientist, performs research and analysis on advanced missile defense topics with a focus on the E&M phenomenology, and the associated mathematics and aerospace topics. Also responsible for documenting the progress and results of the research and analysis, including briefing internal and external customers, writing white papers, and contributing to contract proposals. Applies this research to developing prototype physics algorithms and contributions to the creation of software tools based on these prototype to meet customer and strategic requirements. Acts as a Subject Matter Expert. Works to maintain and grow the technical capabilities for RF and kinematic modeling, provide expertise in meetings with internal and external customers, and aid in the verification and validation of related products. He also acts as a lead in related projects, provides inputs to ROM and BOE development, and takes the lead in planning, designing, executing, and validating new products. Show less

  • Education Strategy Consulting
    • Charlottesville, Virginia
    • Data Analyst
      • Aug 2018 - Feb 2019

      At ESC, I worked in a developing role bridging the gap between data analyst and manager. In this capacity, I worked as a jack-of-all-trades, jumping in different areas both to do data work and to streamline the processes. My work included + Developing and documenting a process for gathering, breaking down, and distributing role-specific client requirements to analysts working in different parts of a project; + Developing and documenting standards for various aspects of data work, such as normalizing and shortening names for display, and identifying target data structures for interfacing between phases of projects; + Organizing and leading systematic QA for distributing data reports to clients; + Producing data visualization portals for clients and demonstrations; Show less

    • United States
    • Higher Education
    • 700 & Above Employee
    • Zelevinsky Research Instructor
      • Aug 2014 - May 2018

      Led courses on introductory math topics and engaged in basic mathematical research activities, including writing original research papers for peer review, as well as presenting original research and peer-reviewing mathematics research. More specifically: + Acted as Instructor of Record for courses on Calculus, Number Theory, and Mathematical Reasoning for between 19 and 129 undergraduates per semester. Developed and presented original lectures, quizzes, and exams. Was consistently rated between “Usually Effective” and “Almost Always Effective” (the highest possible ratings) by students. + Additionally acted as Course Coordinator for Calculus and Mathematical Reasoning. Lead other instructors in collaboration on joint course materials, managed the course schedule, coordinated documenting students in need of extra help, arbitrated student-instructor conflicts, and reported on course performance to deans. + Produced the peer-reviewed publication “Odd knot invariants from quantum covering groups”, which contributed to the mathematics research program in categorification of knot invariants. + Designed and wrote a programming package for the modeling and computation of quantum enveloping superalgebras and their properties of interest. This package implements novel algorithms developed in recent research, and allows for the computation of experimental data for further study of these objects. + Co-organized a special session of the American Mathematical Society’s 2015 Spring Eastern Sectional Meeting. Organized 22 speakers, coordinated their presentations, and moderated discussion. + Gave research presentations in seminars and conferences, both in the US and internationally. These presentations involved taking original research, reducing the details to key insights and examples, and using them to provide a synopsis of the main ideas and outcomes. These presentations often led to fruitful discussions of the intersection of the research with other topics. Show less

    • Postdoctoral Researcher
      • Sep 2015 - Aug 2016

      Invited for a one-year stay as a visiting researcher, during which time I developed my research program; worked with other visiting mathematicians; and contributed to seminars. More specifically: + Engaged in mathematical research and collaborative discussions with other visiting researchers from a wide variety of fields in mathematics and mathematical physics. + Produced the research paper “Canonical bases for the quantum enveloping algebra of gl(m|1) and its modules,” which has been submitted for peer-reviewed publication. This paper extended known approaches in representation theory and applied them to the novel problem of canonical bases for Lie superalgebras with isotropic roots, overturning the expectations of experts in the area and laying the groundwork for a current preprint article which dramatically expands on the scope of this paper. + Gave research presentations at conferences at the University of Virginia and the University of Southern California. These presentations provided an opportunity to discuss my original research contributions in the larger context of the field, and keep in touch with the relevant experts in the US while I was abroad in Germany. Show less

    • United States
    • Higher Education
    • 700 & Above Employee
    • Graduate Instructor
      • Aug 2009 - May 2014

      Fulfilled two main roles. First, as a doctoral student, attended seminars and classes to develop extensive knowledge in fundamental mathematics, as well as doing literature reviews and conducting original research at the frontiers of mathematics. Second, as a graduate instructor, teaching introductory courses in mathematics to undergraduate students. Specifically: + Conducted mathematical research on various topics in representation theory, resulting in seven peer-reviewed publications and culminating in a doctoral thesis entitled “Quantum supergroups and canonical bases.” This monograph was produced by taking an open question in mathematics, breaking it down to manageable sub-problems, and using research papers and expert opinions to devise a strategy to solve each problem, ultimately resulting in a novel mathematical theory of quantum covering groups and their crystal and canonical bases. +Worked with WebWork system for assigning homework. In particular, worked together with other graduate instructors to debug existing problems and code new ones for use in our courses + Acted as Instructor of Record for courses on mathematics for approximately 30 students per semester. Courses included Calculus and Financial Mathematics. Instructor responsibilities included writing and giving 3 hours of lecture per week, holding regular office hours, writing and grading assessments, and assigning final grades. + Attended and presented research at a variety of national and international workshops and conferences, at which I discussed my original research with experts in the field. + Led undergraduate UVA student in 8-month self-study and research project, culminating in a peer-reviewed publication jointly written with the student. My role included managing weekly discussions of reading and problems, coordinating research efforts, and serving as the main editor of the resulting paper. Show less

  • William & Mary
    • Williamsburg, Virginia
    • Undergraduate Research Assistant
      • Oct 2006 - May 2009

      Conducted supervised original research in mathematics, co-wrote peer-reviewed publications, and presented research at local research workshops. Specifically: + Conducted mathematical research on linear algebraic topics with connections to quantum error correction, resulting in 4 peer-reviewed publications. Developed knowledge of LaTeX for publishing technical documents, and learned basic skills in bibliography management, reviewing existing literature, and conducting original research. + Presented research at William and Mary’s Undergraduate Research Fair and at the 2008 Workshop on Numerical Ranges and Numerical Radii at William and Mary. Show less

    • Programmer
      • Jan 2006 - Sep 2006

      Programmer Programmer

    • Information Technology Consultant
      • Jun 2005 - Jul 2005

      Online employee training module refurbishment: essentially taking a large quantity of low quality html documents and making a php document to display the information then quiz them on it and send their information and score to a database. Online employee training module refurbishment: essentially taking a large quantity of low quality html documents and making a php document to display the information then quiz them on it and send their information and score to a database.

Education

  • University of Virginia
    Ph. D., Mathematics
    2009 - 2014
  • William & Mary
    BS, Mathematics, Physics
    2005 - 2009

Community

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