Nelson Luis

  • Partner, Eisner Advisory Group LLC


Nelson Luis is a Partner in the Forensic, Litigation and Valuation Services Group and serves as the Forensics Practice Leader in Pennsylvania, with extensive global experience advising clients on complex domestic and cross-border forensic and litigation support matters. He assists clients on issues related to disputes, forensic accounting, and fraud investigations, including matters involving allegations of bribery and corruption, financial reporting irregularities and occupational fraud.

Nelson is bilingual (English and Spanish), and his expertise in cross-cultural business norms helps effectively execute investigations and mitigate compliance risks. He has managed 150+ cross-border investigations in Latin America, Asia-Pacific and Africa. Nelson supports due diligence efforts around proposed transactions, business interruption/fidelity insurance claims, and compliance assessments to recover underreported revenues. He has led in-country Foreign Corrupt Practices Act (FCPA) investigations and compliance assessments in 40+ countries; and assists clients in developing and assessing anti-fraud and anti-corruption compliance programs.

Nelson has served clients as an independent arbitrator and expert. His dispute-related responsibilities include managing the preparation of financial models, economic projections and sensitivity analyses used in the determination of financial damages; supporting on purchase price disputes and working capital adjustments; and preparation of evidentiary materials for trial.

Nelson is a frequent speaker and instructor on diversity, fraud and forensic accounting, forensic interviewing techniques, code of business conduct, and the FCPA. He is the contributing author of “International Investigations: Successful Planning and Execution” – Litigation Services Handbook, The Role of the Financial Expert (Fifth Edition). Nelson is actively involved in championing a cultural shift to a more inclusive work environment and is the recipient of the Philadelphia Business Journal’s 2018 Minority Business Leader Award for his efforts related to Diversity and Inclusiveness.

Prior to joining the firm, Nelson was an Equity Principal with a Big 4 accounting firm, where he held several leadership roles during his 16+ year tenure working out of its Philadelphia and Miami offices.


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