
Timeline
About me
Partner at Headrick Rizik Alvarez & Fernández
Education

Cornell law school
2004 - 2007Juris doctor (j.d.) concentration in business law and regulation
Universidad iberomericana
2000 - 2004Bachelor of laws (ll.b.), summa cum laude
Experience

Headrick
Jan 2001 - Jul 2004Paralegal
Sidley austin llp
Aug 2007 - Apr 2013AssociateEspañol: Antes de ingresar como socio de Headrick Rizik Alvarez & Fernández, laboró durante seis años como abogado asociado en la oficina de la ciudad de Nueva York de la reconocida firma internacional Sidley Austin LLP, habiendo sido miembro de los grupos de Fusiones y Adquisiciones, Práctica Latinoamericana, Fondos de Capital Privado (Private Equity) y de Fondos de Inversión y Derivados. Durante su tiempo en Sidley Austin, su práctica profesional estuvo concentrada en la representación de empresas e inversionistas en fusiones y adquisiciones en los Estados Unidos y en Latinoamérica. También representó a instituciones financieras en el establecimiento, operación y aspectos de inversión de fondos de capital privado (private equity), con un enfoque en Latinoamérica. Finalmente, ha tenido amplia experiencia en emisiones en mercados de capitales internacionales, representación de instituciones financieras en préstamos y en operaciones de finanza estructurada (structured finance).Inglés: Prior to joining Headrick Rizik Alvarez & Fernández as a partner, Mr. Senior worked for six years as an associate in the New York office of Sidley Austin LLP. Mr. Senior was a member of the Mergers & Acquisitions, Latin America Practice, Private Equity and Investment Funds practice groups. During his time at Sidley, Mr. Senior’s practice was focused on counseling international firms and investors in mergers and acquisitions in the United States and in Latin America. Mr. Senior also represented financial institutions and sponsors in the organization, operation and investment-related aspects of private equity funds, with a focus on Latin America. He also served as creditor’s counsel in a number of restructuring and distressed transactions in all regions of the world. Finally, he has had experience in capital markets transactions, loan origination transactions and structured finance matters. Show less

Headrick rizik alvarez & fernández
Jul 2013 - nowPartner / socioEspañol: El Dr. Senior asesora clientes nacionales e internacionales en fusiones y adquisiciones, negociación y ejecución de contratos, en aspectos tributarios, estructuración e implementación de financiamientos de proyectos, reorganizaciones empresariales, proyectos turísticos y de zona franca. Además, ha tenido experiencia en la supervisión de litigios de inversión extranjera. La práctica profesional del Sr. Senior ha sido reconocida por diversas publicaciones internacionales. Chambers & Partners 2025 destaca al Sr. Senior como uno de los mejores abogados en el país en su más reciente guía de Derecho Corporativo y Comercial, incluyéndolo en el renglón más alto (Band 1) y resalta que clientes comentan que “Jaime Senior es un abogado muy experimentado con pleno conocimiento de los aspectos comerciales y legislativos en el país”, y que otros clientes suman que su “vasta experiencia y su conocimiento del derecho dominicano y estadounidense le permite manejar con facilidad transacciones internacionales.”English: In his practice, Mr. Senior regularly counsels foreign and domestic clients in mergers and acquisitions, the negotiation of all types of commercial agreements, tax matters, financings, corporate reorganizations as well as tourism and industrial free zones investments. Additionally, Mr. Senior is experienced in the supervision of foreing investment dispute resolution matters. Mr. Senior’s practice has been recognized by several international publications. Chambers & Partners 2025 distinguishes Mr. Senior as among the top lawyers in the country in its most recent Corporate/Commercial guide, listing him on its highest tier (Band 1) and noting that clients state that “Jaime Senior is a very experienced lawyer with a thorough understanding of commercial and legislative issues in the country” and other clients go on to add that his “wealth of experience and his proficiency in US and Dominican law help him handle cross-border transactions with ease.” Show less

Periódico eldinero
Jun 2015 - nowArticulista semanal, "econolegales"
New york state bar association
Jun 2015 - nowDominican republic country chapter chair, international section and member of executive committee.webp)
Asociación nacional de jóvenes empresarios (anje)
Oct 2017 - Oct 2023Presidente y miembro de la junta directiva
Corte de arbitraje y resolución alternativa de conflictos
Nov 2019 - nowMiembro del bufete directivo
Consejo nacional de la empresa privada
Nov 2022 - Nov 2023Director
Fundación museo de la altagracia alejandro e. grullón e.
Dec 2023 - nowMiembro del consejo de directores
Best buddies república dominicana
Oct 2024 - nowSecretario del consejo directivo
Licenses & Certifications

Dominican bar
Colegio de abogados de la república dominicana
New york bar
New york state bar association
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