Hillary Lewis

Chief Information Security Officer at Mathematica

Alexandria, VA

How does this work?

Hillary's multidisciplinary background includes executive leadership in health IT and policy and leadership in privacy, security, data governance and IT systems management. Her business and law capabilities augment her strengths as an enterprise risk management professional. Her current role involves managing privacy and security risk for the IT infrastructure. Projects of interest include policy recommendations for NATO cyber defense strategy, gap analysis of data management plans, and grant funded research on mobile and telehealth applications. In her role as adjunct professor in the GWU Healthcare MBA she provides healthcare professionals with skills and know-how to manage data as an important enterprise asset and to cope with the risks and opportunities presented by an increasingly interconnected workplace. Technology risk is an inherent aspect of business management and Hillary's background uniquely positions her to understand the technical requirements and align them with business objectives for a balanced, well understood risk portfolio. Specialties: Creative troubleshooting and innovative legal and business solutions; project management; research, analytics and compilation of findings.

Ask me about
Operational Risk Management Software
GRC Platforms
Work experience

Jan 2021 - Present


Chief Information Security Officer


Jan 2019 - Present

Freddie Mac

Director, Cyber Capabilities and Maturity

Set strategy and operational objectives for operational governance and risk management. Manage security awareness and training initiatives and program maturity goals.


Dec 2014 - Present

George Washington University

Adjunct Professor

Co-teaching courses in the Healthcare MBA program addressing practical background in Health IT, Data and Security with a second course focused on mobile issues in healthcare and security.


Mar 2017 - Jan 2019

Freddie Mac

Information Risk Manager

Jul 2015 - Mar 2017


Chief, Information Security Branch and Senior Official for Privacy

Managed system accreditation and authorization activities, participated in reviews of FedRAMP 3PAO packages, lead FISMA reporting, and led policy and training development and execution.

Sep 2013 - Sep 2015

Deloitte Consulting LLP

Practitioner - Strategy & Operations

Provide federal consulting to Defense Health Agency in data governance & management of information assets. Duties include supporting Enterprise data policy development and implementation.

Apr 2012 - Sep 2013

KnowMED Incorporated

Counsel, Privacy & Security Officer

A semantic web technology start-up, KnowMED offers innovative solutions to information interoperability challenges. Hillary's duties included contracting, business strategy and intelligence, strategic alliance development and client relationship management. Hillary managed KnowMED's federal business portfolio and functions as the point of contact in the US Capitol region. She was also responsible for development of the KnowMED privacy and security policy.


Oct 2012 - Jul 2013

George Washington University

Senior Research Associate

Provide support for DoD Military Health System Information Management division on existing Deloitte contract. Participated in drafting of enterprise Data Management Strategy and Data Management Plan. Conducted gaps analysis of existing data management plans at Military Health System and made recommendations to bring plans up to date.

Nov 2010 - Dec 2012

Casscells & Associates, L.L.C.

General Counsel & C.E.O.

General counsel and chief executive officer at healthcare consulting firm founded by The Honorable Dr. S. Ward Casscells, former Assistant Secretary of Defense for Health Affairs.

Jan 2011 - Jun 2012

Texas Heart Institute

Consultant on TexSHIELD grant- mHealth in conflict regions

Grant-funded position researching mHealth applications in conflict regions; also developing poll around emergency/disaster preparedness in collaboration with colleagues.

Feb 2010 - Mar 2011

UT Health Science Center Houston

Independent Contractor to Dr. S. Ward Casscells, V.P. for External Relations and Public Policy

As an independent contractor to UTHSC Houston on health care reform and health policy Hillary analyzed data from public opinion polls done in collaboration with Zogby International to prepare publications based on our findings. She also tracked and reported on health reform legislation and implementation, smart/soft power developments and health IT implementation to determine how these initiatives impacted various industries and advocacy groups.

Apr 2009 - Mar 2010

Cameron County/District Attorney

Assistant District Attorney- Civil Division

- Asset Forfeitures (particularly gambling cases) - Bail Bond Forfeitures - Assist Special Operations Group with case workup - Assist with White Collar Crime prosecution - Advise elected officials re: duties of office - Contract disputes - Involuntary Committment hearings (representative of the State)

Sep 2008 - Feb 2009


Burroughs-Wellcome Fellow

Advocate for the importance of funding to improve health, including messaging to Capitol Hill on behalf of scientists and researchers. Independent project on the Genetic Information Nondiscrimination Act and its potential impact of health research. Ghost-wrote op-eds for researchers on timely subjects; personally authored and published two op-eds.


Mar 2006 - Sep 2008

Invitrogen Corporation

Supply Center Specialist

Managed Supply Center on-site at Baylor College of Medicine. Assisted with additional, smaller Supply Center sites at the College, as well as the site at University of Texas Health Science Center. Duties included customer service, maintenance of appropriate levels of inventory, troubleshooting, and assisting with events and promotions at Baylor.


Sep 2002 - Sep 2008

Baylor College of Medicine

Research Associate

Lead technician for Affymetrix applications; presented poster at annual genetics department retreat, attended user group meetings, validated protocols and assisted with development of new standard operating procedures; trained and oversaw technicians.


2001 - 2004

Half Price Books


Apr 1999 - Aug 2001

Square One Restaurant, INC

General Manager

General manager of the front end restaurant functions; responsible for hiring new staff, training, bookkeeping, general office functions, some menu development, meeting with vendors, and wine menu updates. Oversaw the day-to-day running of the restaurant while enrolled at Texas A&M University.

Talk to Hillary

@ Copyright 2020 OfficeHours Technologies Co.