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Dina Jansenson

Dina R. Jansenson, Esq.

JAMS Mediator, Arbitrator and Referee/Special Master

Case Manager
Patrick Palmer
T: 212-607-2788
F: 212-751-4099
620 8th Ave., 34th Floor, New York, NY 10018

Dina R. Jansenson is available to conduct cases virtually. JAMS is equipped to provide virtual ADR services on a variety of online platforms, including Zoom, Microsoft Teams, WebEx, and more.


Dina R. Jansenson, Esq. has twenty-five years of experience mediating and arbitrating complex disputes involving commercial, employment, construction, franchise, professional liability, intellectual property, and international matters. She is a recognized expert in the field, and is a frequent speaker about mediation and alternative dispute resolution for corporations, universities, and organizations in the United States and abroad, in countries including Spain, Italy, Mexico, Argentina, Chile and Colombia. She has lived in Argentina and Israel, and speaks fluent Spanish and Hebrew and has mediated in these languages on request. Download Dina Jansenson's biography in Spanish.

Ms. Jansenson is an external, third party, ombudsperson for Bertelsmann and its subsidiaries and affiliates in North and South America. She is a co-Chair of the Committee on International Arbitration and ADR, New York State Bar Association, International Section, and in September 2012, Ms. Jansenson became a Fellow of the Chartered Institute of Arbitrators ("CIArb"), one of the most prestigious organizations involved in international arbitration, based in London.

Representative Matters

  • Arbitrated a multi-million dollar dispute arising out of contracts entered into in the former Soviet Union
  • Mediated (in Spanish) a construction matter in Cordoba, Argentina
  • Mediated (in Spanish) various employment disputes in Puerto Rico
  • Mediated a multi-million dollar complex commercial dispute between and among a European lending institution and several corporations over trademark and lender liability matters
  • Mediated in Puerto Rico (in Spanish) a multi-party dispute between and among governmental agencies and various contractors involving debris removal efforts after a major hurricane
  • Mediated a complex matter involving an alleged breach of joint venture agreement entered into by an American company engaged in the business of providing television programming in Latin America and an Argentine TV producer
  • Mediated a claim for commissions payable under a consulting and services agreement between a South American distributor and a beverage company

Ms. Jansenson has also conducted numerous professional trainings internationally, including the following:

  • Taught commercial mediation (in Spanish) for Bar Associations in Valencia, Alicante, and Mallorca, Spain
  • Lectured about mediation (in Spanish) at the Universidad Europea de Madrid, Spain
  • Conducted negotiation trainings (in Spanish) for the United Nations in Mexico and Chile
  • Lectured in Costa Rica (in Spanish) about dispute resolution for the United States Information Service
  • Taught negotiation and mediation (in Spanish) to judges and lawyers in Argentina through Fundacion Libra
  • Lectured about dispute resolution and taught mediation and negotiation (in Spanish) for the Chamber of Commerce in Santiago, Chile
  • Taught various advanced mediation and, negotiation courses (in Spanish) for the University of Los Andes, Bogota, Colombia
  • Taught commercial mediation (in Spanish) at the University of Barcelona, Spain
  • Taught advanced mediation (in Spanish and English) at Bologna School of Law, Italy
  • Completed Virtual ADR training conducted by the JAMS Institute, the training arm of JAMS
  • External, third party, ombudsperson for Bertelsmann and its subsidiaries and affiliates in North and South America
  • Former Co-Chair, Committee on International Arbitration and ADR, NYSBA International Section
  • Fellow, Chartered Institute of Arbitrators
  • Fellow, College of Commercial Arbitrators
  • New York “Super Lawyer” 
  • Lecturer about mediation, negotiation and dispute resolution for the Association of the Bar of the City of New York; United Nations, the United States Department of Justice and numerous corporation in the United States, and in Spain, Italy, Mexico, Argentina, Costa Rica, and Chile
  • Member: Panel of Mediators for the United States District Court for the Eastern District of New York; Panel of Mediators for the United States District Court for the Southern District
  • Arbitration Appointments: International Chamber of Commerce (ICC); American Arbitration Association (AAA); NYC Contract Dispute Resolution Board; The Private Adjudication Center, Inc. (affiliated with Duke University School of Law)
  • Teaching Appointments: Lecturer-in-Law, Columbia University Law School (Negotiation); Adjunct Professor of Law, New York University School of Law (Negotiation); Former Adjunct Assistant Professor of Law, Brooklyn Law School (Alternative Dispute Resolution); Former Visiting Instructor, University of Barcelona, Spain (Commercial Mediation); Former Visiting Instructor, Los Andes University, Bogota, Colombia (Negotiation and Mediation)
  • Publications: “The Art of Negotiation,” Bridge-the-Gap Handbook, New York Practicing Law Institute, 2009; "How To Represent Your Clients Successfully in Mediation," 1 New York Litigator, Issue No. 2, November 1995; "Alternative Dispute Resolution: An Overview," Law Department Management Advisor, Business Laws, Inc., Issue No. 129, December 1, 1994; "Alternative Dispute Resolution in the United States District Court for the Eastern District of New York”
  • Formerly Of Counsel, Flemming Zulack Williamson Zauderer LLP, a New York law firm
  • Boston University School of Law, 1984, G. Joseph Tauro Scholar & Howard Hennessy Scholar
  • Nationality: Argentina and Israel
  • Fluent in Spanish and Hebrew

Counsel Comments

    • “Dina: I never thought this case had more than a 10-20% chance of resolving, let alone at the first attempt. What did it was your rare ability to instill in the participants (certainly my side, and I cannot even fathom that the same would not apply to the other side) a total atmosphere of trust. Your intelligence and your uncanny ability to keep the level of discussion at the proper level led to the parties agreeing. It was that simple. I really hope I have the chance to call upon you again. And I certainly will contact you if we (or I) need help with the settlement agreement.”
    • “I was impressed with your mediation skills, which are a rare mix of intelligence, forceful advocacy, sensitivity and patience.”
    • “It is always a pleasure working with Dina Jansenson. She manages to work for all parties involved and has a warm and professional disposition. I highly recommend Dina for future mediations.”
    • “The mediator, Dina, was patient, knowledgeable and instilled a high level of confidence in her independence and professionalism.”
    • “You are a quick learner for difficult subject matter and terminology, and you are one of the brightest and best folks that JAMS has.”
    • “You did an outstanding job of dealing with [ ] the company's CFO to whom you spoke on the telephone, who was particularly impressed by your analysis of the case. . . . Thanks again for your outstanding work in the face of having to deal with so many difficult issues.”
    • “Both sides feel [ ], as does [client] profess ....that you were an excellent choice as mediator and you helped us settle a very difficult emotional issue. I thought your analysis of ‘who had the better case [ ]’ compared with ‘who had the most to lose’ [ ] was a brilliant imprimatur in the morning session, that really got [ ] off the dime, and into a settlement mode. Bravo! You were also very kind in communicating [ ] ‘respect’ for my presentation, in which I tried to be conciliatory and gentle, yet at the same time firm and resolute. Again, resulting from my reading of your paper on Negotiation - a brilliant must read piece.”
    • “For me it was a great experience in many ways, especially to be there and to understand the dynamics of mediation. Theory is certainly different than practice. Thanks for all your help, now I really believe in the power of mediation.”
    • “You were terrific and accomplished what I thought for sure could not be done! I too hope we get to work together again. Thanks again for all our hard work and not giving up!”
    • “Your ability to work with both parties, but especially [name] at a legal, but more importantly an emotional level, was in my view the key to our collective success."
    • “I wanted to say very sincerely how pleased I was with the way you handled the mediation yesterday. Very skillfully done, I thought. I know from speaking with them that the others on my side agreed. So, you made me look smart for picking such an able mediator.”
    • “I want to reiterate again that we recognize how much of an accomplishment that it was for you to achieve this settlement. We were very lucky to have you as our mediator.”
    • “It was an absolute pleasure working with you and we both feel you did a fantastic job. Our client is very pleased, as are we.”
    • “Thanks again for your special touch which was most instrumental in getting us to ‘yes.’”
    • “All the great things I heard about you are true!”
    • “In speaking with [ ], in house counsel for [ ] in this matter, he thought Dina was ‘head and shoulders’ above other mediators and arbitrators that he has used over the years and considers Dina in the top 10% of mediators to which he has been exposed. He felt that Dina was fair and even though he didn’t get exactly the result he wanted, he thought Dina was professional, dogged regarding getting parties past impasse and knowledgeable about both the mediation process and the litigation nuances of this case. Furthermore, he thought Dina was honest and did not ‘blow smoke’ as other mediators do.”
    • “Dina did a phenomenal job. She was very empathic and patient and warm and sympathetic. She was helpful and creative and she did a great job.”




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