[Webcast] The Rising Tide of DSARs: Transforming Access Requests from Compliance Burden to Strategic Capability

+ Esther Birnbaum

EVP of Data Intelligence, HaystackID

Esther Birnbaum is the Executive Vice President of Data Intelligence at HaystackID, where she leads strategic initiatives integrating advanced AI technologies and data solutions across legal, compliance, and governance workflows. Esther brings extensive experience from both law firm and in-house environments. She began her career as an eDiscovery attorney at top-tier law firms, where she developed deep expertise in managing complex discovery processes for high-stakes litigation. She later served as Associate General Counsel at Interactive Brokers LLC, where she founded and scaled the company’s eDiscovery program from the ground up, pioneering AI-driven workflows that set new standards for operational efficiency in financial services litigation support. In her corporate role, she also spearheaded data intelligence initiatives across compliance investigations, regulatory response matters, and cross-functional governance programs, developing innovative approaches to leverage enterprise data for risk management and strategic decision-making. A recognized thought leader in the legal technology community, Esther is a sought-after speaker on the transformative applications of Generative AI in practice. Her innovative approach bridges deep legal expertise with cutting-edge technology, positioning HaystackID at the forefront of AI-powered corporate data intelligence and shaping how the industry approaches matter intelligence, document review, corporate data solutions, and data-driven legal and compliance strategy.

+ Ryan Costello (Moderator)

EVP of Global Advisory and Client Engagement, Advisory Group, HaystackID

Ryan Costello is a seasoned legal and data privacy expert with deep experience in eDiscovery, regulatory compliance, and cross-border data management. Costello helps organizations navigate complex challenges in data governance, AI integration, and privacy compliance. His work focuses on proactive strategies for information security, data classification, and regulatory readiness, ensuring that clients stay ahead of evolving legal and technological landscapes. Before joining HaystackID in September 2024, Costello spent nearly six years at ProSearch, where he played a key role in advising clients on data protection, eDiscovery workflows, and compliance strategies. A U.S.-qualified lawyer, Costello brings a global perspective to legal consulting, having managed projects across the United States and Europe. His expertise spans GDPR, cross-border discovery, and privacy-first frameworks that balance innovation with risk mitigation. Costello holds multiple certifications from the International Association of Privacy Professionals (IAPP), including Certified Information Privacy Professional – United States (CIPP/US), Certified Information Privacy Manager (CIPM), and Certified Information Privacy Professional/Europe (CIPP/E). With a career that bridges legal, privacy, and technology domains, Costello is a trusted advisor to corporations and law firms managing high-stakes data challenges.

+ Christopher Wall

DPO and Special Counsel for Global Privacy and Forensics, HaystackID

Chris Wall is DPO and Special Counsel for Global Privacy and Forensics at HaystackID. In his Special Counsel role, Chris helps HaystackID clients navigate the cross-border privacy and data protection landscape and advises clients on technical privacy and data protection issues associated with cyber investigations, data analytics, and discovery. Chris began his legal career as an antitrust lawyer before leaving traditional legal practice to join the technology consulting ranks in 2002. Prior to joining HaystackID, Chris worked at several global consulting firms, where he led cross-border cybersecurity, forensic, structured data, and traditional discovery investigations.