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William A. Bejan
Senior Associate
Suite 900
Washington, D.C., 20001
William focuses his practice on litigation, government investigations, and incident response for clients navigating data privacy, cybersecurity, and other high-risk compliance environments. He advises companies across the technology, financial services, life sciences, and information management sectors and has experience managing both domestic and cross-border matters involving complex legal and enforcement challenges.
He has significant experience in...
William focuses his practice on litigation, government investigations, and incident response for clients navigating data privacy, cybersecurity, and other high-risk compliance environments. He advises companies across the technology, financial services, life sciences, and information management sectors and has experience managing both domestic and cross-border matters involving complex legal and enforcement challenges.
He has significant experience in consumer financial services and class action litigation, as well as cryptocurrency-related disputes. William has a proven track record of representing both companies and executives in strategic responses to high-stakes enforcement actions by agencies such as the Department of Justice (DOJ), Securities and Exchange Commission (SEC), Commodity Futures Trading Commission (CFTC), and State Attorneys General.
His practice focuses on advising clients in the aftermath of cybersecurity incidents and data breaches, including regulatory response, internal investigations, and litigation strategy. He also focuses on defending clients in putative class actions arising from data privacy or security events and guiding organizations through complex, multi-agency investigations. He advises clients on responding to inquiries and enforcement actions by the DOJ, Office for Civil Rights (OCR), State Attorneys General, and key federal regulators, including the Federal Trade Commission (FTC), SEC, and Consumer Financial Protection Bureau (CFPB), particularly in matters involving privacy violations, cybersecurity events, or public disclosure obligations.
consumer financial services and class action litigation, as well as cryptocurrency-related disputes. William has a proven track record of representing both companies and executives in strategic responses to high-stakes enforcement actions by agencies such as the Department of Justice (DOJ), Securities and Exchange Commission (SEC), Commodity Futures Trading Commission (CFTC), and State Attorneys General.
His practice focuses on advising clients in the aftermath of cybersecurity incidents and data breaches, including regulatory response, internal investigations, and litigation strategy. He also focuses on defending clients in putative class actions arising from data privacy or security events and guiding organizations through complex, multi-agency investigations. He advises clients on responding to inquiries and enforcement actions by the DOJ, Office for Civil Rights (OCR), State Attorneys General, and key federal regulators, including the Federal Trade Commission (FTC), SEC, and Consumer Financial Protection Bureau (CFPB), particularly in matters involving privacy violations, cybersecurity events, or public disclosure obligations.
Experience
Representative Matters
Government Enforcement
- Advise clients in responding to regulatory inquiries and investigations stemming from cybersecurity or privacy incidents, including inquiries from OCR, FTC, CFPB, and State Attorneys General.
- Defend large pharmaceutical manufacturer in criminal and civil investigations brought by the U.S. Department of Justice (DOJ) and related inquiries and enforcement actions brought by the U.S. Department of Health and Human Services Office of Inspector General (HHS-OIG) and State Attorneys General (AGs) involving claims under the Food, Drug, and Cosmetic Act and Federal Anti-Kickback Statute, resulting in favorable settlement and resolution of all claims.
- Defend publicly traded foreign medical device manufacturer in investigation and enforcement action brought by the U.S. Securities and Exchange Commission, resulting in favorable settlement and resolution of all claims.
- Defend individual former executive of finance company in connection with investigations conducted by DOJ, SEC, and the U.S. Commodities and Futures Trading Commission (CFTC) and related proffer meetings, resulting in the favorable categorization of the individual by DOJ in the context of these investigations.
- Represent large bank in connection with Anti-Money Laundering inquiries and remediation stemming from the FIFA corruption scandal.
Litigation
- Represent companies in privacy and cybersecurity-related litigation, including class actions following data breaches and claims brought under state consumer protection and data privacy statutes.
- Coordinate privilege strategy and litigation preparedness in matters with overlapping regulatory investigations and civil claims.
- Defend large bank in consumer financial services and employment discrimination litigation, resulting in favorable settlement and resolution of all claims.
- Defend business owner in securities class action litigation relating to alleged promotion of cryptocurrency.
- Represent foreign government claimant in U.S. civil asset forfeiture litigation.
Cybersecurity & Data Breach Response
- Investigate cybersecurity intrusion and data breach for biotech company, including crafting remediation plan.
- Review cybersecurity and data privacy components of corporate compliance programs for biotech companies.
- Advise clients on regulatory enforcement risks following cybersecurity incidents and guide companies through breach notification obligations.
- Support litigation teams with regulatory coordination, fact development, and response strategy in high-profile data security matters.
Previous Professional Experience
- Associate, International law firm (2023–2025)
- Associate, Am Law top 5 law firm (2018–2023)
Languages
- French
Education
-
The George Washington University Law School,
JD
(2017)
- Highest Honors
- Order of the Coif
- Executive Editor, The George Washington Law Review
- Murray Snyder Pro Bono Award
- Georgetown University, BA, Government; Minors in French and History (2012)
Admissions
- District of Columbia
- New York
Practice Areas
Representative Matters
Government Enforcement
- Advise clients in responding to regulatory inquiries and investigations stemming from cybersecurity or privacy incidents, including inquiries from OCR, FTC, CFPB, and State Attorneys General.
- Defend large pharmaceutical manufacturer in criminal and civil investigations brought by the U.S. Department of Justice (DOJ) and related inquiries and enforcement actions brought by the U.S. Department of Health and Human Services Office of Inspector General (HHS-OIG) and State Attorneys General (AGs) involving claims under the Food, Drug, and Cosmetic Act and Federal Anti-Kickback Statute, resulting in favorable settlement and resolution of all claims.
- Defend publicly traded foreign medical device manufacturer in investigation and enforcement action brought by the U.S. Securities and Exchange Commission, resulting in favorable settlement and resolution of all claims.
- Defend individual former executive of finance company in connection with investigations conducted by DOJ, SEC, and the U.S. Commodities and Futures Trading Commission (CFTC) and related proffer meetings, resulting in the favorable categorization of the individual by DOJ in the context of these investigations.
- Represent large bank in connection with Anti-Money Laundering inquiries and remediation stemming from the FIFA corruption scandal.
Litigation
- Represent companies in privacy and cybersecurity-related litigation, including class actions following data breaches and claims brought under state consumer protection and data privacy statutes.
- Coordinate privilege strategy and litigation preparedness in matters with overlapping regulatory investigations and civil claims.
- Defend large bank in consumer financial services and employment discrimination litigation, resulting in favorable settlement and resolution of all claims.
- Defend business owner in securities class action litigation relating to alleged promotion of cryptocurrency.
- Represent foreign government claimant in U.S. civil asset forfeiture litigation.
Cybersecurity & Data Breach Response
- Investigate cybersecurity intrusion and data breach for biotech company, including crafting remediation plan.
- Review cybersecurity and data privacy components of corporate compliance programs for biotech companies.
- Advise clients on regulatory enforcement risks following cybersecurity incidents and guide companies through breach notification obligations.
- Support litigation teams with regulatory coordination, fact development, and response strategy in high-profile data security matters.
Previous Professional Experience
- Associate, International law firm (2023–2025)
- Associate, Am Law top 5 law firm (2018–2023)
Languages
- French
William focuses his practice on litigation, government investigations, and incident response for clients navigating data privacy, cybersecurity, and other high-risk compliance environments. He advises companies across the technology, financial services, life sciences, and information management sectors and has experience managing both domestic and cross-border matters involving complex legal and enforcement challenges.
He has significant experience in... consumer financial services and class action litigation, as well as cryptocurrency-related disputes. William has a proven track record of representing both companies and executives in strategic responses to high-stakes enforcement actions by agencies such as the Department of Justice (DOJ), Securities and Exchange Commission (SEC), Commodity Futures Trading Commission (CFTC), and State Attorneys General.
His practice focuses on advising clients in the aftermath of cybersecurity incidents and data breaches, including regulatory response, internal investigations, and litigation strategy. He also focuses on defending clients in putative class actions arising from data privacy or security events and guiding organizations through complex, multi-agency investigations. He advises clients on responding to inquiries and enforcement actions by the DOJ, Office for Civil Rights (OCR), State Attorneys General, and key federal regulators, including the Federal Trade Commission (FTC), SEC, and Consumer Financial Protection Bureau (CFPB), particularly in matters involving privacy violations, cybersecurity events, or public disclosure obligations.
Experience
The following is a selected sampling of matters and is provided for informational purposes only. Past success does not indicate the likelihood of success in any future matter.Representative Matters
Government Enforcement
- Advise clients in responding to regulatory inquiries and investigations stemming from cybersecurity or privacy incidents, including inquiries from OCR, FTC, CFPB, and State Attorneys General.
- Defend large pharmaceutical manufacturer in criminal and civil investigations brought by the U.S. Department of Justice (DOJ) and related inquiries and enforcement actions brought by the U.S. Department of Health and Human Services Office of Inspector General (HHS-OIG) and State Attorneys General (AGs) involving claims under the Food, Drug, and Cosmetic Act and Federal Anti-Kickback Statute, resulting in favorable settlement and resolution of all claims.
- Defend publicly traded foreign medical device manufacturer in investigation and enforcement action brought by the U.S. Securities and Exchange Commission, resulting in favorable settlement and resolution of all claims.
- Defend individual former executive of finance company in connection with investigations conducted by DOJ, SEC, and the U.S. Commodities and Futures Trading Commission (CFTC) and related proffer meetings, resulting in the favorable categorization of the individual by DOJ in the context of these investigations.
- Represent large bank in connection with Anti-Money Laundering inquiries and remediation stemming from the FIFA corruption scandal.
Litigation
- Represent companies in privacy and cybersecurity-related litigation, including class actions following data breaches and claims brought under state consumer protection and data privacy statutes.
- Coordinate privilege strategy and litigation preparedness in matters with overlapping regulatory investigations and civil claims.
- Defend large bank in consumer financial services and employment discrimination litigation, resulting in favorable settlement and resolution of all claims.
- Defend business owner in securities class action litigation relating to alleged promotion of cryptocurrency.
- Represent foreign government claimant in U.S. civil asset forfeiture litigation.
Cybersecurity & Data Breach Response
- Investigate cybersecurity intrusion and data breach for biotech company, including crafting remediation plan.
- Review cybersecurity and data privacy components of corporate compliance programs for biotech companies.
- Advise clients on regulatory enforcement risks following cybersecurity incidents and guide companies through breach notification obligations.
- Support litigation teams with regulatory coordination, fact development, and response strategy in high-profile data security matters.
Previous Professional Experience
- Associate, International law firm (2023–2025)
- Associate, Am Law top 5 law firm (2018–2023)
Languages
- French
Education
-
The George Washington University Law School,
JD
(2017)
- Highest Honors
- Order of the Coif
- Executive Editor, The George Washington Law Review
- Murray Snyder Pro Bono Award
- Georgetown University, BA, Government; Minors in French and History (2012)
Admissions
- District of Columbia,
- New York,
Practice Areas
- Privacy & Data Management
- Class Action & Multi-Claim Litigation
- White Collar Defense & Government Investigations
- Cybersecurity & Data Breach Litigation
- Commercial Litigation & Business Torts
Industries
Highlights from the Firm’s Insights
