Isabelle Janssen
Associate
390 North Orange Avenue
Suite 1400
Orlando, FL 32801
Suite 1400
Orlando, FL 32801
isabelle.janssen@nelsonmullins.com
Isabelle focuses her practice on complex commercial litigation. She has been devoted to client success in an array of commercial litigation and cross border disputes, including contract and business litigation and arbitration.
Isabelle focuses her practice on complex commercial litigation. She has been devoted to client success in an array of commercial litigation and cross border disputes, including contract and business litigation and arbitration.
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
- Experienced in in international dispute resolution and transnational disputes involving sovereign states and Latin America.
- Experienced in representing clients before arbitral tribunals established under the rules of the ICC, ICSID, and UNCITRAL.
- Assisted in the representation of an Andean nation in Fair and Equitable treatment claim under ICSID.
Previous Professional Experience
- Foreign attorney for an international firm in their London, England office (2022).
- Legal intern for the International Centre for Settlement and Investment Disputes (ICSID) in Washington, D.C. (2021-2022).
- Law clerk for the international arbitration group at a global firm in their Miami, Florida office (2021).
- Law clerk for the international dispute resolution group for a Florida-based law firm at their Miami, Florida office (2020).
- Legal intern for the U.S. Trade Representative Office of the Western Hemisphere in Washington, D.C. (2019).
Education
-
University of Miami School of Law,
JD
(2021)
- Miami Public Interest Scholar
- Member, International and Comparitive Law Review
- University of Miami School of Law, LLM, International Arbitration (2021)
- Wake Forest University, BA, Political Science, International Affairs, and Spanish (2018)
Admissions
- Florida
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
- Experienced in in international dispute resolution and transnational disputes involving sovereign states and Latin America.
- Experienced in representing clients before arbitral tribunals established under the rules of the ICC, ICSID, and UNCITRAL.
- Assisted in the representation of an Andean nation in Fair and Equitable treatment claim under ICSID.
Previous Professional Experience
- Foreign attorney for an international firm in their London, England office (2022).
- Legal intern for the International Centre for Settlement and Investment Disputes (ICSID) in Washington, D.C. (2021-2022).
- Law clerk for the international arbitration group at a global firm in their Miami, Florida office (2021).
- Law clerk for the international dispute resolution group for a Florida-based law firm at their Miami, Florida office (2020).
- Legal intern for the U.S. Trade Representative Office of the Western Hemisphere in Washington, D.C. (2019).
Recognitions
The bar rules of some states require that the standards for an attorney's inclusion in certain public accolades or recognitions be provided. When such accolades or recognitions are listed, a hyperlink is provided that leads to a description of the respective selection methodology.
- The Best Lawyers in America® Ones to Watch
- Alternative Dispute Resolution (2026)
- Commercial Litigation (2026)
- Latinvex, Latin America: Top International Law Firms (2025)
Isabelle focuses her practice on complex commercial litigation. She has been devoted to client success in an array of commercial litigation and cross border disputes, including contract and business litigation and arbitration.
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
- Experienced in in international dispute resolution and transnational disputes involving sovereign states and Latin America.
- Experienced in representing clients before arbitral tribunals established under the rules of the ICC, ICSID, and UNCITRAL.
- Assisted in the representation of an Andean nation in Fair and Equitable treatment claim under ICSID.
Previous Professional Experience
- Foreign attorney for an international firm in their London, England office (2022).
- Legal intern for the International Centre for Settlement and Investment Disputes (ICSID) in Washington, D.C. (2021-2022).
- Law clerk for the international arbitration group at a global firm in their Miami, Florida office (2021).
- Law clerk for the international dispute resolution group for a Florida-based law firm at their Miami, Florida office (2020).
- Legal intern for the U.S. Trade Representative Office of the Western Hemisphere in Washington, D.C. (2019).
Education
-
University of Miami School of Law,
JD
(2021)
- Miami Public Interest Scholar
- Member, International and Comparitive Law Review
- University of Miami School of Law, LLM, International Arbitration (2021)
- Wake Forest University, BA, Political Science, International Affairs, and Spanish (2018)
Admissions
- Florida
Practice Areas
The bar rules of some states require that the standards for an attorney's inclusion in certain public accolades or recognitions be provided. When such accolades or recognitions are listed, a hyperlink is provided that leads to a description of the respective selection methodology.
- The Best Lawyers in America® Ones to Watch
- Alternative Dispute Resolution (2026)
- Commercial Litigation (2026)
- Latinvex, Latin America: Top International Law Firms (2025)
Highlights from the Firm’s Insights
NMRS Attorneys Published in Florida Bar Journal on CCNA Procurements
November/December 2025
“Prime Equity” and the NIL Era: Shedeur Sanders’ Contract Ushers...
September 3, 2025
Old North State Report – October 27, 2025
October 28, 2025
