SEAK Trainers and Consultants


James J. Mangraviti, Jr., Esq., has trained thousands of expert witnesses through seminars, conferences, corporate training, training for professional societies, and training for governmental agencies including the FBI, IRS, SEC, NYPD, Secret Service, and Department of Defense.  He is also frequently called by experts, their employers, and retaining counsel to train and prepare individual expert witnesses for upcoming testimony.  Mr. Mangraviti assists expert witnesses one-on-one with report writing, mentoring, and practice development.  He is a former litigator who currently serves as Principal of the expert witness training company SEAK, Inc. (  Mr. Mangraviti received his BA degree in mathematics summa cum laude from Boston College and his JD degree cum laude from Boston College Law School.  Mr. Mangraviti has designed dozens of expert witness training programs and has personally taught experts in a group setting over 200 times since 1997. He is the co-author of thirty books, including:

How to Be an Effective Expert Witness at Deposition and Trial: The SEAK Guide to Testifying as an Expert Witness
How to Be a Successful Expert Witness: SEAK’s A–Z Guide to Expert Witnessing
How to Write an Expert Witness Report;
How to Prepare Your Expert Witness for Deposition;
The Biggest Mistakes Expert Witnesses Make and How to Avoid Them; and

How to Market Your Expert Witness Practice: Evidence-Based Best Practices

IMG_0114 Phone:  978-276-1234
CV:  Jim’s CV




nadine headshotNadine Nasser Donovan, Esq. Nadine Nasser Donovan, Esq., is SEAK’s Lead Trainer/Consultant.  She is a former trial lawyer with extensive litigation experience. She has been on the SEAK Faculty since 2002 and has trained thousands of experts through SEAK’s scheduled programs for expert witnesses, invited presentations, customized on-site expert witness training programs, and via one-on-one training.  Nadine is the co-author of the SEAK texts How to Write an Expert Witness Report, How to Be a Successful Expert Witness:  SEAK’s A-Z Guide to Expert Witnessing and How to Be an Effective Expert Witness at Deposition and Trial:  The SEAK Guide to Testifying as an Expert Witness.

In addition to her work consulting and teaching for SEAK, Ms. Donovan is a Legal Writing Instructor at Boston University School of Law. Ms. Donovan also serves as a Dispute Resolution Arbitrator for the Financial Industry Regulatory Authority.

Ms. Donovan previously practiced litigation for 21 years.  She spent 18 years in the defense of medical professionals in medical malpractice actions and before medical licensing boards. In addition, Ms. Donovan started off her litigation career in New York City, first as a prosecutor in Queens, and then as counsel for the City of New York. Ms. Donovan received her J.D. cum laude from Boston College Law School. She graduated from Fordham University summa cum laude with a B.A. in French Literature.

IMG_0145Phone:  617-791-4282
CV:  Nadine’s CV




Kelly J. Wilbur, Esq., joined SEAK in 2020 as Assistant Vice President/Associate Consultant. She was an insurance defense and commercial litigator for five years prior to joining SEAK. Kelly received her J.D., cum laude, from the University of Massachusetts School of Law in 2015 and graduated from St. Mary’s College of Maryland with a B.A. in Political Science. While at St. Mary’s, Kelly was a member of the nationally ranked varsity sailing team and was a two-time All American. Kelly has experience preparing experts for deposition and trial testimony.

Phone:  781-491-6802
CV:  Kelly’s CV