Danielle Morris has 15 years of experience advising clients on all aspects of international arbitration. Her practice spans both private and public international law, with a focus on investor-State arbitration. She has worked on a range of commercial and investment arbitrations, both institutional and ad hoc, from the pre-dispute and notice of dispute stage through merits submissions and hearings through to set-aside and enforcement. She also assists clients with investment planning and advises on how to avoid or amicably resolve disputes outside the arbitration process. 

Danielle has represented clients in various sectors, including mining, oil and gas, financial services, construction, pharmaceutical and automotive. She regularly advises clients on the substantive protections and dispute resolution mechanisms under various investment treaties, both bilateral and multilateral, and has represented both investors and States in investment arbitrations. She has also advised an African State regarding a boundary mediation.

From 2008–2011, Danielle was an attorney adviser with the United States Department of State, Office of the Legal Adviser, in the Office of International Claims and Investment Disputes. Her portfolio included representing the United States in NAFTA arbitrations and in proceedings before the Iran-US Claims Tribunal. She also assisted U.S. citizens with international claims for compensation against South-East and East European States. As a member of the NAFTA team, Danielle argued part of the United States' case in Grand River Enterprises Six Nations, Ltd. v. United States. She also played a significant role on the team for Case No. A/15(II:A), a State-to-State arbitration under Paragraph 9 of the Algiers Accords before the Iran-US Claims Tribunal.

Danielle has taught both international commercial arbitration and investment arbitration at the University of Pennsylvania Law School. She has also lectured at Cambridge University, Duke University School of Law, Georgetown University Law Center and University of Michigan Law School. Ms. Morris speaks and publishes regularly on issues relevant to investment arbitration and investment planning.