SARAH KASPER
Redmond
Summary
Insider risk and counterintelligence investigator with experience spanning national security investigations, financial forensics, and corporate risk environments. Experience as a Special Agent with the Federal Bureau of Investigation leading sensitive, high-impact investigations involving insider threats, nation-state actors, and data compromise risks. Experienced in conducting complex investigative interviews, analyzing technical and financial evidence, leveraging classified and open-source intelligence, and delivering clear findings to executive stakeholders. Investigator with a track record of operating independently in high-security, cross-functional environments.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Law Enforcement Response Specialist
Microsoft
Seattle, WA
08.2025 - Current
- Conducted sensitive, end-to-end reviews of criminal legal demands, assessing risk to customer data, and corporate infrastructure while ensuring compliance with global legal frameworks and internal security policies.
- Managed time-sensitive and high-risk legal escalations in partnership with attorneys, engineers, security teams, and product stakeholders to support rapid, accurate investigative outcomes.
- Served on a 24/7 emergency response rotation, triaging urgent law enforcement requests involving threats to life.
- Collaborated cross-functionally with Trust & Safety, Security, and Cybercrime teams engaged in detection and prevention of child exploitation, cybercrime, business email compromise, and other digital threats impacting customers and platforms.
- Operated independently while managing highly sensitive matters involving legal, reputational, and security risk.
Special Agent
Federal Bureau of Investigation
Seattle, WA
01.2020 - 08.2025
- Lead end-to-end counterintelligence and national security investigations, including insider threat matters involving sensitive data, classified systems, and personnel risk.
- Conduct sensitive investigative interviews of employees, witnesses, and subjects in high-stakes environments.
- Perform detailed technical and intelligence analysis using classified databases and investigative tools to identify threat indicators and mitigate risk.
- Monitor and assess external threats targeting personnel and critical infrastructure, including nation-state threat actor activity and social engineering attempts.
- Collaborate cross-functionally with legal counsel, HR-equivalent functions, intelligence analysts, digital forensics teams, executive leadership, other government agencies and private sector stakeholders to coordinate investigative and mitigation strategies.
- Develop structured investigative documentation, risk assessments, and executive briefings for prosecutors and senior government officials.
- Execute rapid-response investigative actions in time-sensitive national security matters.
- Contribute to process improvements and operational enhancements to strengthen investigative effectiveness and information sharing.
- Develop and deliver counterintelligence, insider threat, and travel security training to technology sector partners at both the unclassified and classified levels, enhancing awareness of insider risk indicators, nation-state targeting methodologies, and data protection best practices.
- Serve on the Evidence Response Team, conducting forensic collection and preservation of digital and physical evidence.
Senior Internal Auditor
Denver Public Schools
Denver, CO
02.2019 - 01.2020
- Conducted risk-based operational audits and fraud investigations.
- Monitored and investigated fraud hotline allegations, assessing internal control weaknesses and recommending mitigation strategies.
- Delivered written reports to management outlining findings and control improvement recommendations.
Senior Analyst – Financial Reporting
The Western Union Company
Denver, CO
08.2017 - 02.2019
- Maintained precise records for equity and stock compensation transactions, achieving substantial improvements in financial reporting accuracy.
- Researched and analyzed new accounting standards, effectively communicating their implications to management, aiding strategic decision-making.
- Collaborated cross-functionally to ensure financial statement consistency, fostering a culture of accuracy and shared responsibility among teams in the preparation of SEC filings.
Senior Associate – Assurance
PricewaterhouseCoopers
Denver, CO
07.2016 - 08.2017
- Planned and conducted audits of public companies in accordance with PCAOB standards including SOX compliance in the consumer products and aerospace industries.
- Fostered strong relationships with client personnel through effective interviews, enhancing communication and understanding of audit requirements.
- Supervised associate work during field audits, ensuring high-quality execution and achieving project deadlines with marked efficiency.
- Conducted detailed assessments on a $6B acquisition and prepared key regulatory reports necessary to maintain compliance.
Associate – Assurance
PricewaterhouseCoopers
Denver, CO
09.2013 - 07.2016
- Conducted thorough reviews of financial statements, ensuring compliance with US GAAP, which bolstered client trust and minimized audit discrepancies.
Education
Bachelor of Science - Accounting
University of Kentucky
05.2013
Bachelor of Business Administration - Finance
University of Kentucky
05.2013
Skills
- Insider Threat & Counterintelligence Investigations
- Sensitive Interviewing & Interrogation
- OSINT & Intelligence Analysis
- Risk Assessment & Mitigation Strategy
- Cross-Functional Collaboration (Legal, HR, IT, Security, Government)
- Technical & Financial Evidence Analysis
- Executive Briefings & Investigative Documentation
- Rapid Incident Response
- Internal Controls & Compliance (SOX, PCAOB)
- Certified Public Accountant
- Certified Fraud Examiner (Inactive, Eligible for Reactivation)
Certification
- Certified Public Accountant Kentucky State Board of Accountancy Jan 2014 - Present
- Certified Fraud Examiner Association of Certified Fraud Examiners Jan 2019 - Jan 2022, Eligible for Reactivation
Awards
- Excellence in Defensive Counterintelligence and HUMINT from the Department of Defense - 2025
- Exemplary Performance Award - Federal Bureau of Investigation - 2025
Timeline
Law Enforcement Response Specialist
Microsoft
08.2025 - Current
Special Agent
Federal Bureau of Investigation
01.2020 - 08.2025
Senior Internal Auditor
Denver Public Schools
02.2019 - 01.2020
Senior Analyst – Financial Reporting
The Western Union Company
08.2017 - 02.2019
Senior Associate – Assurance
PricewaterhouseCoopers
07.2016 - 08.2017
Associate – Assurance
PricewaterhouseCoopers
09.2013 - 07.2016
Bachelor of Business Administration - Finance
University of Kentucky
Bachelor of Science - Accounting
University of Kentucky