Nathalie Lozano Blanco

Nathalie Lozano-Blanco is the Founding Partner of Lozano Blanco & Asociados; a firm serving high impact cases on topics such as business law and consumer protection, which was formed in 2009.

Nathalie is a Law graduate from the University of El Rosario in Bogotá; she is an LL.M. graduate in International Economic Law from the Paris 1-Panthéon Sorbonne University, and has a Ph.D.c in Banking Law from the same University.

In the past, Nathalie worked in the most important Law Firms in Colombia, and held important positions in public and private organisations in the country.

About Lozano Blanco & Asociados:

The firm was created in 2009 with the objective of providing innovative legal services. Their experience is centred on regulation design and analysis, legal services for companies, and class action litigation.

LBA has been working on the PIP breast implant legal claim against TUV for more than two years. This experience has allowed the firm to represent thousands of women from all over the world and obtain multiple awards and international recognition. The firm won the first claim in favour of our clients on the 14th of November 2013.


LBA’s practice is oriented on turning their work into valuable solutions for their clients. The Firm has a team of lawyers, engineers and advisors that allows them to give clients the best service through multiple virtual communication channels.

The firm cares deeply to adjust all of their products and services to their clients, especially in class action litigation. LBA’s goal is that clients have the best possible customer experience.


Lozano Blanco & Asociados have the necessary experience to offer legal services with a semi-massive approach in which clients receive quality service at a reasonable cost. The firm are innovators in their approach.

Adriana Posada

Leaders in Law endorses Adriana Posada as our exclusively recommended Commercial Law expert in Colombia. If you wish to get in touch with Adriana please use the contact information provided above.

A&C LEGAL is a Law Firm incorporated in Bogotá, Colombia in 2009, as a solution for organizations that require high quality legal services, and also paralegal support at a reasonable cost, provided with opportunity, with qualified staff always available.

A&C LEGAL commitment is to minimize the risk inherent in the operations of its clients and assist with the implementation of safe practices for the benefit of the shareholders, employees and the community in general. The Firm is also committed to the integral development of its employees; whose purpose and focus is costumer service.

Under the BPO (Business Process Outsourcing) model, A&C LEGAL functions as a law firm in the Client’s offices, for which a team of lawyers and paralegals is assigned to attend, in an integral manner, the day-to-day legal requirements of the clients, in areas such as corporate, contractual, commercial, labor, administrative, litigation, and policy and procedure support. The Firm also takes care of legal filing, answering of communications and procedures before different entities, and in general, of the administration of the legal area of the companies.

Areas of Expertise:


A&C Legal:

We are a solution for the requirement of legal services and paralegal support tailored to meet the needs of our clients, provided with opportunity and high quality, at a reasonable cost, with qualified personnel always available.

Our compromise is to minimize the inherent risks of your operations and to collaborate with the implementation of safe practices in benefit of your shareholders, collaborators and of the community in general.

We are also committed to the integral development of our collaborators; whose focus and purpose is to provide the best customer service.


Dr. Helmuth Gallego

Leaders in Law endorses Dr. Helmuth Gallego as our exclusively recommended Corporate Law expert in Colombia. If you wish to get in touch with Dr. Gallego please use the contact information provided above.

Helmuth Gallego studied Law at the University Externado in Bogotá. He did his doctorate and post doctorate in Germany at the University of Mainz.

In 1995 Helmuth Gallego founded Gallego Abogados and has been the Managing Director of the firm since its inception. Moreover, he is arbitrator at the Chamber of Commerce of Bogotá and was professor for private law at the doctoral School of the National University of Colombia until 2013.

He is especially valued for his vast experience, the scientific robustness of his work, his entrepreneurial spirit, his knowledge of the European business culture, as well as for his total commitment that the projects of its clients materialize with the required legal certainty.

Firm Description

Gallego Abogados is a small, full service law firm established in 1995 and whose office is located in a privileged business area in the Colombian capital Bogotá.

Gallego Abogados serves the legal needs of national and foreign companies across a broad spectrum of different sectors, including in particular the energy, infrastructure, industry, environmental and banking sector.

The team of advisors offers their clients the complete range of legal consultancy in the field of corporate law and several associated legal areas, as well as other corporate-related services such as tax and accountancy outsourcing.

Specifically, the scope of legal services provided by Gallego Abogados includes personalized advisory services regarding the incorporation of a company, M&As, joint ventures, a company’s transformation, tax issues, support regarding legal formalities and registrations before public entities, foreign exchange regime issues, negotiations, national and international contracting, public contracting and much more.

Furthermore, Gallego Abogados highlights to its clients the particularities of the local market, helps them to generate strategic contacts, accompanies them to business meetings and advises them with respect to the entrance and positioning of their business in the Colombian market.


Luis Fernando Vargas Rodríguez

Luis Fernando Vargas Rodriguez works in the litigation area of Vargas & Vargas. He is a legal adviser with broad expertise in criminal, civil and corporate law, and has represented many companies in important litigations in these areas. He graduated in legal structuring and direction of oil industry projects.

Mr Vargas is part of the defence team of a business group against the Venezuelan State before international bodies in the matter of human rights. He is also a member of the British-Colombian Lawyers Association and the Rosario Attorney College, and an international observer in legal processes for the International Bar Association-Human Rights Institute and the British-Colombian Lawyers Association.

Vargas & Vargas Abogados:

Vargas & Vargas specialises in litigation, alternative dispute resolution, advice and consultancy in areas such as, criminal law, business criminal law, human rights, civil, corporate and labour law, hydrocarbons, mining and insurance regulation, foreign investment, government contracting, among others.

The Firm encompasses specialists on the most prominent law areas in our country; we assure optimum quality law services focused on meeting the ideal of justice based on principles such as reputation, compliance, respect and credibility.

Our partners at law are permanently updating knowledge and attempting to stay at the forefront of substantial law variations in our areas of specialty, warranty to our client’s vote of confidence in the success of our businesses. Our experience, combined with the sufficiency of our partners, allow us to offer our clients off-court solutions as well as conflict avoidance through negotiated deals.

The variety of our professionals brings a full perspective of the entire legal surroundings of any business and/or legal issue delivered to us, in order to analyze its viability. Our legal and lawfull services are developed into national, international climate, addressed to natural and legal, domestic or foreign, public or private subjects. Our portfolio of services is available for our clientele in Spanish, English and French languages. VARGAS & VARGAS Attorneys at Law counts with offices in the cities of Tunja and Bogotá D.C.


Adriana Zapata

Leaders in Law endorses Adriana Zapata as our exclusively recommended Administrative Law expert in Colombia. If you wish to get in touch with Adriana please use the contact information provided above.


Doctor of Law; Universidad Externado de Colombia, Bogotá 2010.

Master of International Law; Pantheon-Assas University Paris II Sorbonne, Paris 1991

Specialist in International Private Law, Diplôme Superieur de I’Université, Paris II (September 1989 – March 1990).

Financial Law Specialist; Universidad de los Andes, Bogotá 1985.

Lawyer; Universidad Externado de Colombia, Bogotá 1983.


Universidad de Barcelona, Research fellow (September to December 2007)

Universidad de Granada – España, World Congress of Law and Globalization (May 2005)

Kellogg, Northwestern University Negotiation Strategies for Managers (March 1995)

University of California, Berkeley, Strategic Human Resources Management (December 1994)



Universidad Externado de Colombia. Finance Government and International Relations Faculty: Lecture in International Negotiation and Procurement, 1996, 1999-2000, undergraduate

School of Law: International Procurement Sources and Private International Law, graduates since 1998 to present; II Economic Law Seminar, 1992

ta internacional de mercaderías, en: Acuerdos Internacionales de Facilitación del Comercio Internacional”. Ministerio de Justicia y del Derecho, Bogotá, 1997.

Autora “Compraventa Internacional”, en: Derecho de la Distribución Comercial. B/teca Millennio, el Navegante Editores, Bogotá, 1995.



Partner – Director, CAVELIER ABOGADOS (2010- Present)

Arbitrator, Bogotá and Medellin Chambers of Commerce (From September, 2008 – Present)

Head of the Business Law Department, Universidad Externado de Colombia (From May 1997 – Present)


Legal Vice-president and General Secretary, Banco Av Villas (1998-2007)

Partner, Consultores Internacionales (February 1997 – November 1998)

Partner, Zapata & Asociados, (January 1996 – January 1997)

Administrative Vicepresident, Avianca S.A., Sam S.A., Helicol S.A., (September 1994 – December 1995)

Administrative Vice-president, Avianca, SAM y Helicolativa (1992-1994)

Subsidiaries Division Director and Secretary of the Board of Directors, Bavaria (1988-1989)

General Secretary, Head of the Legal Department, Invercrédito S.A., (August 1987 – September 1988)

Attorney for the Legal Department, Invercrédito S.A. (April 1984 – 1987)


International Academy of Comparative Law, Henri Capitant Association

International Bar Association –IBA-

President of the Colombian Subcommittee of the CCI in Trade Practices

Member of the Drafting Committee of the New Arbitration Law 1563, 2012

Member of the Regulatory Committee of the Security interest Act. 1676, 2013

The Firm 

Founded by Germán CAVELIER in 1953, CAVELIER ABOGADOS combines experience and innovation and stands out as a leading firm in several fields of law. Using the most modern legal infrastructure and technology, the firm offers its clients legal services in both Colombia and abroad, making it a strategic partner for business development. The firm represents local and foreign clients from diverse economic sectors and industries, providing professional, comprehensive legal advice and optimal service in a timely fashion.


Martha Bonett

Work experience             

Partner, CAVELIER ABOGADOS (2015- Present)

Head of Department of Business, CAVELIER LAWYERS (2012 Actual)

Legal Manager, Attentive Colombia SA (2006-2012)

Attorney Advisor, Interactive Contact Center Inc. (2004-2006)

Associate Attorney Jose Lloreda Camacho & Co. (2002-2004)

Secretary-General Legal Director, Colombian Center of Information and Marketing SA (2000-2002)

Secretary-General Legal Director, National Helicopters Colombia SA (1992-1996)


Academic background

Diploma in Commercial Contracts; Javeriana University, Bogota 2003

Associative Training Program Firm Sidley Austin Lawyers and Corporate Law, Chicago 1999

LLM Master in Economic Law; Interational London School of Economics and Political Science, London 1989

attorney; External University of Colombia, Bogotá 1987

Felipe Ospina Acosta

Felipe Ospina is a partner at DLA Piper Martínez Neira (Colombia), where he leads the tax law practice and actively participates in mergers and acquisitions transactions.

His previous practice was focused on tax litigation and consultancy for companies in the agricultural, insurance, cement, energy, pensions, metallurgical and telecommunications sectors, among others. He has advised government entities on issues related to public finances, tax law and telecommunications regulations, and has significant experience in tax planning both of companies and families.

Before joining the firm, he was a senior associate at Philippi Prietocarrizosa & Uria (2012-2014) and Plazas Vega Abogados (2005-2012).



LL.M., Law, International Economic Law and Policy, Universidad de Barcelona (Spain) (2013)

Tax Law Postgraduate Program, Universidad del Rosario (Colombia) (2008)

Abogado, (J.D. Equivalent), Universidad del Rosario (Colombia) (2005)


Areas of practice

Corporate Law / M&A’s

Estate Planning

Tax Law