Governance: Administrators


Administrators for SANS Technology Institute provide leadership to carry out plans and activities in support of the college's goals and objectives. STI administrators create and design appropriate processes and services to support students and the learning environment.


Jessica Lee
  • Admissions Operations Coordinator
  • Most Advanced Degree
    Bachelor of Arts, Business Administration, University of Florida

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Jessica is responsible for inquiry and applicant management, system administration, and data collection and analysis. Prior to joining the SANS Technology Institute, Jessica worked at Jacksonville University (JU) with their online student population from admissions through to graduation. While at JU, she played a key role in the Slate CRM implementation from designing and building to testing and training. Jessica currently resides in Bethesda, Maryland with her husband, two daughters, and dog. She enjoys reading, cooking, exploring without an itinerary, and has a serious case of wanderlust.

Dustin Paluch
  • Graduate Admissions Counselor
  • Most Advanced Degree
    Bachelor's in Marketing, Film Studies, Saint Louis University

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Dustin Paluch is responsible for identifying and recruiting academically qualified students in accordance with the philosophy of the Institute; keeps frequent contact with prospective students through email, phone and larger SANS Institute events. He joined SANS Technology Institute in March 2017. Prior to joining STI, he worked in a team of four to coordinate over 30,000 annual visits and events for the Office of Admission at Saint Louis University.

Danna Wiseman
  • Assistant Director, Admissions
  • Most Advanced Degree
    Master's in Higher and Postsecondary Education, Arizona State University

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Danna is responsible for overseeing the admissions operations for SANS and supporting students through the admissions process. Prior to joining SANS Technology Institute, Danna previously worked in various admissions and student affairs roles of higher education for 10 years. She most recently worked at Arizona State University for 7 years in various admissions related roles in the university admissions office, School of Design and the Arts and the School of Business. She has a B.A. in English from Biola University and a M.Ed. in Higher and Postsecondary Education from Arizona State University. Danna currently lives in Phoenix, AZ with her husband and dog. She enjoys hiking, cooking and travelling.

Academic Support

Krysta Kurzynski
  • Senior Student Advisor
  • Most Advanced Degree
    Master's in Clinical Counseling, John Carroll University

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Krysta is responsible for mentoring, coordinating, and enabling a subset of students to complete their academic programs.  Krysta has worked in higher education administration for over 3 years.  Prior to joining SANS Technology Institute, Krysta was the Assistant Director of Veteran Affairs at James Carroll University.  Krysta earned a bachelor's degree in psychology from DePaul University and a master's degree in clinical counseling from John Carroll University.

Rebecca McMenamin
  • Student Advisor
  • Most Advanced Degree
    Master's in Education, Student Affairs & Leadership, Youngstown State University

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Rebecca has over four years' experience mentoring/advising students in higher education. Prior to joining SANS, Rebecca was the manager of Veteran and Military Services at the University of Missouri-St.Louis where she oversaw enrollment and retention programs for military-connected students. Rebecca earned her Master's of Education in Counseling and Student Affairs Leadership from Youngstown State University in 2015 and undergraduate degree in International Relations from Kent State University in 2008.  Rebecca currently resides in the city of Saint Louis, Missouri, and enjoys rock climbing, hiking, and gardening in her spare time.

Bridget O'Hanlon
  • Student Advisor
  • Most Advanced Degree
    Master of Arts, Religious Studies, John Carroll University

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Bridget has nearly 9 years of experience in Higher Education, with a background in working with student veterans. After graduate school, Bridget saw an opportunity to use her own GI Bill experience to serve the student Veterans at The University of Akron, and then continued that work at Cuyahoga Community College, before joining the STI team. Bridget grew up in the military, and also served in the 122nd Army band for 12 years; part of her duties included serving as the unit?s Education Non-Commissioned Officer (NCO). Bridget resides in the Cleveland, Ohio area with her spouse and their daughter.

Claire Simon
  • Student Advisor
  • Most Advanced Degree
    Master of Public Administration, Virginia Commonwealth University

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Claire graduated from Virginia Commonwealth University with a Bachelor of Science in Sociology (2012) and Master of Public Administration (2014). She has worked in higher education in an academic advising setting for five years at Virginia Commonwealth University and the University of North Carolina at Charlotte. Claire has previously worked in undergraduate academic advising, graduation services, global education programs, and the Dean's office. At VCU, Claire served on diversity initiative boards, served as a liaison for the College of Humanities & Sciences academic appeals committee, and worked alongside New Student Orientation programs as a presenter on behalf of the College of Humanities & Sciences.


David Hoelzer
  • Dean of Faculty
  • Most Advanced Degree
    Master's in Computer Science, American Intercontinental University
  • Field of Experience
    Intrusion Detection and Auditing. See details below.

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David Hoelzer is the author of more than twenty days of SANS courseware. He is an expert in a variety of information security fields, having served in most major roles in the IT and security industries over the past twenty-five years. Recently, David was called upon to serve as an expert witness for the Consumer Financial Protection Bureau in a landmark case regarding information security governance within corporations in the financial sector and has previously served as an expert for the Federal Trade Commission for GLBA Privacy Rule litigation and other matters. David has been highly involved in governance at SANS Technology Institute, serving as a member of the Curriculum Committee, Long Range Planning Committee, GIAC Ethics Board, and as Dean of Faculty. As a SANS instructor, David has trained security professionals from organizations including NSA, DHHS, Fortune 500 security engineers and managers, various Department of Defense sites, national laboratories, and many colleges and universities. Outside of SANS, David is a research fellow in the Center for Cybermedia Research, a research fellow for the Identity Theft and Financial Fraud Research Operations Center (ITFF/ROC), an adjunct research associate of the UNLV Cybermedia Research Lab, a research fellow with the Internet Forensics Lab, and an adjunct lecturer in the UNLV School of Informatics. David has written and contributed to more than 15 peer reviewed books, publications, and journal articles. Currently, David serves as the principal examiner and director of research for Enclave Forensics, a New York/Las Vegas based incident response and forensics company. He also serves as the chief information security officer for Cyber-Defense, an open-source security software solution provider. In the past, David served as the director of the GIAC Certification program, bringing the GIAC Security Expert certification to life. David holds a BS in IT and an MS in Computer Science, having spent time either attending or consulting for Stony Brook University, Binghamton University, and American Intercontinental University.

Here is What Students Say About David Hoelzer:

"David was incredibly knowledgeable, enthusiastic, and was able to relate examples to real-life scenarios." - Alice MacFarlan, UK Dept. for Transport

Betsy Marchant
  • Assistant Director, Graduate School Operations
  • Most Advanced Degree
    Master of Public Health, University of South Carolina

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Betsy Marchant is responsible for directing graduate school operations that support students in successfully completing their academic programs.

Prior to joining the SANS Technology Institute, Betsy directed a public health preparedness training team at the Virginia Department of Health and worked in training and education at the Centers for Disease Control and Prevention. She has a B.S. in Health Sciences from Clemson University and a M.P.H. in Public Health from the University of South Carolina.

Tim Medin
  • MSISE Program Director
  • Most Advanced Degree
    MBA, University of Texas at Tyler

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Tim Medin is the founder and Principal Consultant at Red Siege, a company focused to adversary emulation and penetration testing. Tim is also the SANS MSISE Program Director and a course author. Through the course of his career, Tim has performed penetration tests on a wide range of organizations and technologies. He gained information security experience in a variety of industries including previous positions in control systems, higher education, financial services, and manufacturing. Tim is an experienced international speaker, having presented to a organizations around the world. Tim is also the creator of the Kerberoasting, a technique to extract kerberos tickets in order to offline attack the password of enterprise service accounts. Tim earned his MBA through the University of Texas.

Here is What Students Say About Tim Medin:

"Tim is a great instructor, I really enjoyed the live demos and the style of his teaching. He really keeps you engaged." - Drew Davis, Rook Security

Shelley Moore
  • Assistant Director
  • Most Advanced Degree
    Bachelor's in Linguistics, University of Texas

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As Assistant Director of the SANS Technology Institute, Shelley Moore is primarily responsible for overseeing marketing, recruiting, and admissions for the school.

She joined the graduate school staff in December 2013 and has served in a number of roles including Assistant Director, Enrollment Management and Assistant Director, Marketing and Admissions.

Prior to joining the SANS Technology Institute, Shelley worked in clinical research at UT Southwestern Medical System and Baylor Health Care System in Dallas, specifically in subject enrollment and retention, and cohort management.

Alan Paller
  • President, SANS Technology Institute
  • Director of Research, SANS Institute

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Alan Paller is the president for SANS Technology Institute and director of research for the SANS Institute, responsible for projects ranging from the Internet Storm Center (the Internet's early warning system with 500,000 sensors around the world) to the Top Ten Security Menaces of the coming year. He also edits NewsBites, the twice-weekly summary of the most important news stories in security. But he says his most satisfying responsibility is finding people who have solved important security problems and helping SANS 85,000 alumni in 60 countries learn about those people and their discoveries.

Alan earned degrees in computer science and engineering from Cornell and MIT. He wrote hundreds of articles on computer graphics, EIS and computer security, and authored two books, The EIS Book: Information Systems for Top Managers and How to Give the Best Presentation of Your Life.

He has testified before the House and Senate, and in 2001 the President named Alan as one of the original members of the National Infrastructure Assurance Council. In 2005 the Federal CIO Council chose him as its annual Azimuth Award winner recognizing his singular vision and outstanding service to government information technology.

He earned his Bachelor's of Science in Engineering at Cornell University and a Master of Engineering from the Massachusetts Institute of Technology.

Eric Patterson
  • Executive Director
  • Most Advanced Degree
    Master's in Defense Analysis (Irregular Warfare), Naval Postgraduate School Master's in Humanities (Irish Studies), John Carroll University

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LTC(R) Eric Patterson, with over over 25 years of experience in military, government, and academia, brings a wide variety of leadership, organizational design, training, and higher education experiences to SANS.  His military experience includes 20 years as an Infantry and Special Forces officer, during which time he deployed to multiple combat zones, managed the training programs for all US Army Special Forces, Civil Affairs, and Psychological Operations soldiers, and directed full spectrum special operations in eastern and central Africa.  After retiring from the Army, he served as the founding director of nationally recognized student veteran and international student programs at a private university in Ohio.  Eric earned his BS in International Relations and a minor in Systems Engineering from the US Military Academy at West Point, NY.

Dr. Johannes Ullrich
  • Dean of Research
  • Most Advanced Degree
    Doctorate in Physics, State University of New York at Albany
  • Field of Experience
    Information Security Research Expert

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Johannes is currently responsible for the SANS Internet Storm Center (ISC) and the GIAC Gold program. In 2000, he founded, which is now the data collection engine behind the ISC. His work with the ISC has been widely recognized, and in 2004, Network World named him one of the 50 most powerful people in the networking industry. Prior to working for SANS, Johannes worked as a lead support engineer for a web development company and as a research physicist. Johannes holds a PhD in physics from SUNY Albany and is based in Jacksonville, Florida. His daily podcast summarizes current security news in a concise format. Listen to Johannes discuss "HTML5: Risky Business or Hidden Security Tool Chest for Mobile Web App Authentication" in this SANS webcast.

Here is What Students Say About Dr. Johannes Ullrich:

"Dr. Ullrich is a dynamic speaker, very engaging & has good "nerd humor". Keep up good work!" - Shelly Lewis, PwC

Marcos Vieyra
  • MSISM Program Director
  • Most Advanced Degree
    Bachelor of Arts, Philosophy, University of South Carolina - Columbia

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Formerly, Marcos served as the Chief Information Security Officer for the State of South Carolina. With over 12 years of full-time information security experience, he led the newly created Division of Information Security (DIS) under the South Carolina Department of Administration. The DIS was created by the South Carolina General Assembly in July, 2013, and has been charged with the establishment of information security policy, standards, procedures and guidelines for over 70 state agencies, including the authority to oversee incident response at these agencies.
Marcos began his IT career in 1995, where he served as his squadron's system administrator in the United States Air Force, and learned the importance of operations security. Marcos' full-time information security career started at the University of South Carolina, where he also eventually earned his Bachelor of Arts degree. Marcos has earned and maintains current the following information security and privacy certifications: GSLC, GLEG, GCCC, GICSP, GMON, CISSP, CIPP/IT, CIPP/US, CIPM, and is a member of the IAPP Fellow of Information Privacy (FIP) inaugural class.