YN Leadership

Houston, Texas USA

Armando Gonzalez

gonzalez100x133Armando Gonzalez is an associate at Greenberg Traurig in Houston, Texas. He focuses his practice on corporate and securities law, with an emphasis on the oil, gas and energy industry. He has experience in multiple areas of the energy industry, including domestic and international energy transactions, acquisitions and divestitures, production and development, land titles, and due diligence.

Prior to joining the firm, Armando gained valuable insight working with a publicly traded international oil and gas company on energy transactions in Latin America. He also assisted clients with all facets of their exploration and production activities while working as an associate in the energy section of a nationally known law firm in Houston.

Armando is a member of the Association of International Petroleum Negotiators, Oil, Gas and Energy Resources Law Section of the State Bar of Texas, Young Professionals in Energy, and the Mexican American Bar Association. He is fully fluent in Spanish.

David Sweeney

sweenyresDavid Sweeney is a partner in the Houston office of Akin Gump Strauss Hauer & Feld LLP. His practice spans the full natural resource value chain, from exploration, production, processing and infrastructure, to monetization.  He began his career as an attorney in the headquarters of an international law firm before becoming the Vice President, Legal, General Counsel, and Secretary of an independent exploration and production company with a focus in the North Sea and the Associate General Counsel and chief compliance officer of an integrated, international energy company, where his practice focused on West Africa and Eastern Europe.  He is a frequent author and speaker on oil and gas topics and has written a comprehensive book on worldwide oil and gas operating agreements and another on worldwide farmout, participation, and similar agreements as well as numerous book chapters and scholarly articles, including “Authorising Work and Contracts: How is the North American System Unique” in Joint Operating Agreements: An International and Practical Perspective on Critical Challenges and Concerns and “Fracturing Relationships – The Impact of Risk and Risk Allocation on Unconventional Oil & Gas Projects,” 9 Tex. J. Oil, Gas & Energy L. 289 (2013 – 2014).  His speaking credits include (i) a week-long capacity building seminar on petroleum contracts for the Government of Somalia presented in Entebbe, Uganda at the joint request of the International Senior Lawyers’ Project and the African Development Bank and (ii) a similar seminar presented in London for various Pakistani government ministries (including the national oil company) at the behest of the U.S. Department of Commerce and the U.S. Embassies in Islamabad and London as well as other engagements for the Universities of Texas, Houston, Oklahoma, Tulsa, and LSU and commercial CLE providers such as UTCLE, the Institute for Energy Law (IEL), the Rocky Mountain Mineral Law Foundation, and the Association of International Petroleum Negotiators (AIPN).  He is the past chair of the IEL’s Young Energy Professionals group and the AIPN’s Young Negotiators group.  He currently serves on the Executive Committee of the IEL and a number of AIPN drafting committees.

Tetyana Colosivschi

Tetyana Colosivschi is a Director, Business Development and Strategic Partnerships at ConsenSys Energy, an Energy arm of ConsenSys – leading Blockchain technology Company founded by a Co-Founder of Ethereum.

Prior to joining ConsenSys in 2017, Tetyana founded Fabco Energy Group, an Upstream Oil & Gas Transaction Advisory firm. Tetyana has a decade of experience in Oil & Gas industry, working in OFS and Upstream sectors with leading Oil & Gas companies and governments across the globe.

Tetyana was a Chair of the AIPN YN Committee from 2015 to 2017, during which Mentorship Program expanded globally and doubled in size every year. From 2012 through 1H 2018 Tetyana was responsible for Breakfast Speaker Series and various Speaker featured networking events. In 2014 Tetyana was recognized as a “Member of the Year”.

Tetyana has Master’s Degree from Yonsei University – a top private university in South Korea and a Certificate in Financial Accounting from Wharton School of Business. Tetyana speaks Russian and Korean.

Arwa Awad

awad_arwa100x133Arwa is a Senior Legal Consultant with the IHS Upstream Regulatory group and provides legal and regulatory analysis to international clients on oil and gas-related operational and HSE regulations in various jurisdictions including Brazil, Mexico, Norway, the United Kingdom and the United States. Prior to joining IHS, Arwa worked as a commercial negotiator and legal counsel with Maersk Oil Houston supporting operational and non-operational activities in Angola, Brazil, Gulf of Mexico and Qatar.

Arwa has a B.A. in Political Science from Houston Baptist University (Summa Cum Laude) and a J.D. from the University of Houston Law Center (Magna Cum Laude).

Arwa is a member of the State Bar of Texas and Association of International Petroleum Negotiators. She serves as co-chair on the AIPN Young Negotiators Committee and is responsible for AIPN-YN’s community service activities.

Jerrod Jones

Jerrod Jones is a Landman in Anadarko Petroleum Corporation’s Gulf of Mexico group based in The Woodlands, Texas. Since 2005, Mr. Jones has had the opportunity to work in very diverse corners of the company, including tenures in Anadarko’s Risk Consistency Team, International Business Development, Delaware Basin Land, Southern Region Land Administration, International Negotiations and Government Relations. During his tenure on the international side of Anadarko’s business, Mr. Jones has gained experience working with fiscal and contractual systems around the world, including those of Australia, Benin, Brazil, China, Colombia, Cote d’Ivoire, Ghana, Indonesia, Kenya, Liberia, Mozambique, Sierra Leone, Trinidad and Tobago and Tunisia. Mr. Jones’s experience has varied from the beginning steps of Anadarko’s participation in international competitive bid rounds and direct negotiation opportunities to above-ground risk analysis, new country entry and leading the company’s Government Relations efforts in Colombia. Today, Mr. Jones is responsible for partner relations and negotiations in the Western Gulf of Mexico.

Mr. Jones is a native of the small Far West Texas town of Van Horn and is a 2003 graduate of Texas Tech University. In addition, Mr. Jones earned a Certificate in Advanced International Affairs at the George Bush School of Government and Public Service at Texas A&M University in 2007 and a Doctorate of Jurisprudence from South Texas College of Law in Downtown Houston, Texas in 2013. Mr. Jones speaks Spanish and Portuguese and enjoys learning and experiencing diverse business cultures in all corners of the world.  He and his wife, Amanda, and their daughters Ella and Emma reside in Cypress, Texas.

Washington, D.C.

Guly Sabahi


Guly Sabahi is an independent legal adviser and outside general counsel, with 15 years of law firm experience (most recently as Partner at Dentons), advising major international companies and state-owned entities (including NOCs) on cross-border M&A and JV transactions, mainly in the energy sector. Guly also provides legal support on upstream projects, and power projects, as well as on corporate restructurings, governance and compliance matters, both in the U.S. and internationally. Guly has worked on transactions and projects involving assets in over 50 countries in the Middle East, the Sub-Saharan Africa, Central Asia, and Latin America. Since 2010, Guly has been leading an annual energy program at the International Law Institute (ILI) – "Oil & Gas, Power and Sustainable Energy", for government delegates, mainly from the Sub-Saharan Africa. Guly also teaches at Georgetown University Law Center. Guly is trained in both civil law and common law jurisdictions, and is admitted to practice in the US (New York and District of Columbia), and as Solicitor in England and Wales.

London, UK

Mark Armitage

mark-armitage100x133Mark is an Associate at Dentons, specialising in upstream and downstream oil and gas and power projects. Mark has worked on projects in a wide range of jurisdictions, including UK North Sea, South Africa, Falklands and the Middle East - Mark spent 18 months working in Dentons' Muscat office. He moved back to the London office in April 2014.

Mark graduated from College of Law Moorgate in 2010, (Legal Practice Course) and from the University of Birmingham in 2009.

Andrew Meaden

meaden100x133Andrew Meaden is a Lawyer at Dentons, specializing in oil & gas, power, renewables and energy regulation. Andrew has advised on a range of oil & gas commercial contracts and M&A transactions covering a broad geographic scope, with a particular focus on the UK North Sea and Africa. Having trained at Dentons, he qualified into its dedicated Energy group in 2013.

Katie Rich

rich100x133Katie Rich is a Solicitor at Pinsent Masons, specialising in upstream oil and gas projects. Katie has experience in corporate and asset acquisitions and disposals, upstream joint ventures, service contracts, farm-ins and production sharing contracts in countries including the Republic of Georgia, Ivory Coast, Morocco and the Falkland Islands as well as across the UK North Sea.

Katie holds a degree in Law with French Law (LLF) from the London School of Economics and Political Science and completed the LPC at the College of Law in London.

Yanal Abul Failat

yanal-failat100x133Yanal is an international lawyer (qualified as a solicitor in England and Wales) specialising in Energy Law at LXL LLP, a boutique law firm working for Tier 1 Energy Companies.

He principally acts on matters in the oil and gas sector and has experience in oil and gas regulation and contracting across the entire supply chain (upstream, midstream and downstream). Yanal has advised exploration and production companies operating in the UKCS and is presently involved in projects in Africa, Asia, Europe and the Middle East.

At LXL, Yanal has assisted on some of the largest transactions and disputes within the oil and gas and electricity sectors working with state-owned companies, utilities, and other major energy corporations on general corporate and commercial operations, M&A, regulatory matters and dispute resolution.

Yanal is an associate editor at the Oil, Gas and Energy Law Intelligence Journal, a YN Committee Member of the Association of International Petroleum Negotiators and a member of the Solicitors’ Association of Higher Courts Advocates. He edits the annual Oil and Gas Law Statute Book and regularly contributes to books, journals and practical guides in his areas of expertise. Yanal is also fluent in Arabic, English, Greek and Italian.

Samuel Merlin

Samuel has diverse experience in energy investments and transactions. He is currently a Director at Hannam & Partners where he leads in sourcing and executing M&A and capital raising projects in the energy, power and oilfield services sectors globally. Previously, he served in the U.S. Department of Defense’s Task Force for Business and Stability Operations, where he was responsible for structuring, negotiating and managing the implementation of Afghanistan’s first-ever oil & gas production sharing contracts. His portfolio included managing geophysical assessments, monitoring operators’ work programs and field development plans, and developing crude marketing and refining logistics. He is a graduate with honors from Union College and completed studies at Central European University, University of Tuebingen and Babes-Bolyai University.

Frankfurt, Germany

Cankutan (“John”) Hasar


John Hasar is a Global Infrastructure Consultant for Roland Berger in Frankfurt Germany. His focus is to support both public and private clients in planning, financing, delivering and operating infrastructure more efficiently, helping them save billions on strategic projects. John had the opportunity to work in ConocoPhillips’ Alaska and UK business units gaining exposure to opportunity management, arctic operations, offshore production and major capital projects execution. Through his past internships at Chevron and research opportunities at MIT, he also gained experience in technology development and research methods.

John earned a Bachelor of Science degree in Electrical Engineering from MIT in 2010. He also completed an LL.M (Master of Laws) degree in Oil & Gas Law at the University of Aberdeen in 2014. During his tenure in Boston, he had the opportunity to take leadership and decision sciences classes at Harvard Kennedy School and MIT Sloan. He speaks Turkish and some Polish.

Paris, France

Emmanuel Garaud


Emmanuel Garaud is Originator & Business Developer for Engie Trading Business involved in Structured Financing, Physical Gas Offtake & Marketing and Risk Management activities. Emmanuel was previously Head of Strategy for Engie Exploration & Production International now Neptune Energy Group owned by a group of investors including the Carlyle Group. He gained Upstream Business Development experience during 5 years in The Netherlands after having spent 7 years in various international technical assignments including onshore & offshore operations in Angola, France, The Netherlands & Germany.

Mr. Garaud is a native of France’s region of Bordeaux and has been trained successively as Engineer, Economist and Historian.

Rio de Janeiro, Brazil

Danielle Valois

valois150x200Danielle Valois is the partner of the Brazilian law firm Trench, Rossi e Watanabe Advogados, associated with Baker & Mckenzie International. Mrs. Valois is based in Rio de Janeiro and she focuses her practice on oil and gas development projects (public auctions, financing and construction of FPSOs, FSO’s, pipelines, refineries), M&A and joint venture transactions involving oil and gas and biofuels companies (shareholders agreements, farm-ins, joint-ventures) and arbitration involving a variety of oil and gas (take-or-pay agreements) and construction (EPC Contracts) disputes. She is ranked by Chambers Latin America 2010 for having an impressive portfolio of oil and gas clients and has worked on numerous project finance projects, M&A transactions and arbitrations involving companies engaged in the oil and gas industryCaracas, Venezuela

Sergio Casinelli

casinelli150x200Sergio Casinelli is a partner of Macleod Dixon’s Caracas office. He received his law degree summa cum laude from Universidad Católica Andrés Bello in Caracas, Venezuela, and a master of laws from Columbia University, New York City. He is currently based in Caracas, Venezuela, and specializes on Energy and Corporate matters. As a Corporate partner, his practice focuses on assisting companies, negotiations, drafting corporate documents and a wide range of contracts, and conducting due diligence. He also has broad experience in the national and international Energy area assisting in writing and reviewing several services contracts for oil and gas companies and related Venezuelan regulatory matters, including reviewing and assisting on contractual matters regarding association agreements and services contracts executed in Venezuela, and providing advice in the processes of conversion of previous hydrocarbon projects into new joint venture company projects, among other cases. Sergio has also been involved in energy projects in Mexico and Colombia, and has been recognized with the Roberto Goldschmidt Award for Academic Excellence and as a Leading Individual on Corporate / M&A and Energy & Natural Resources matters by Chambers.

Conrad Müller-Klingspor

conrad150x200Conrad von Müller-Klingspor is INPEX CORPORATION’s Legal Manager and Business Negotiation Superintendent for Venezuela. He specializes in corporate Oil & Gas practices, leading the company’s upstream contractual negotiations and participating in business development.

Conrad holds an MBA degree from IE Business School, International Law from Cambridge University, Mining and Hydrocarbon Law from Universidad Monteávila, Corporate Law from UNIMET and Strategic Planning from Universidad Simón Bolívar.

Member of the Caracas Bar Association, Legal Committee of the Venezuelan Gas Processors Association, Venezuelan Hydrocarbon Association and Committees of Mixed Companies. Liaison for AIPN’s Young Negotiators in Venezuela, IE Energy Club Director, and former member of the board of a FEDEINDUSTRIAS regional chapter.

Prior to joining INPEX CORPORATION Conrad served the Oil & Gas industry through Squire Sanders & Dempsey LLC and the Venezuelan Hydrocarbon Association.

Dubai, UAE

Fernando Ortega

ortega100x133Fernando Ortega is a Legal Consultant at DWF (Middle East) LLP, in Dubai. He has been involved in commercial, investment and construction disputes focused in the United States, Latin America and the MENA region over the last ten years. His experience covers a broad range of commercial transactions across industry sectors including O&G, construction and infrastructure.

Fernando has a Juris Doctor from the American University Washington College of Law in Washington DC, and Bachelor of Arts from the University of California, Los Angeles (UCLA). He is fluent in Spanish and enjoys traveling and experiencing the world.

Buenos Aires, Argentina

Carlos A. Vila Moret

carlos-vila-moretCarlos A. Vila Moret is an attorney specialized in Corporate and Energy law in Buenos Aires. He is currently an Associate Counsel at Alliani & Bruzzon L.L.P., one of the leading law firms in Argentina. As an Associate Counsel, his practice is mainly focused on Corporate issues, M&A, Contracts, and Energy matters, providing full legal advice to a broad scope of clients including major and junior multinational Oil & Gas Companies. He also has broad experience in representing start-up business in Latin America and in conducting Due Diligence proceedings around the world.

Carlos holds a Bachelor of Laws from the Catholic University of Argentina (UCA), a Post-graduate degree on Oil & Gas Law from the University of Buenos Aires (UBA), and a specialization Training Course on Stock Exchange investment and Derivative Instruments -Forwards, Futures & Options- from the Buenos Aires Stock Exchange Institute (MERVAL). He presently serves as a Young Negotiator’s Representative in Buenos Aires, Argentina.

 Johannesburg, South Africa

Elvis Angyiembe

2016elvis100x133Elvis Angyiembe is Counsel, Ethics & Compliance at Weatherford International, Ltd where he advises on anti-corruption issues, including the Foreign Corrupt Practices Act and other anti-corruption laws. Prior to joining Weatherford, Elvis was Associate Attorney at Burleson LLP where he practiced domestic and international oil and gas law. He also advised clients on international trade law issues. Prior to joining Burleson LLP, Elvis worked on complex oil and gas agreements for a large Houston-based oil company. He also worked for an international trade law firm in Dallas, concentrating on export/import control laws and regulations; he drafted export control compliance manuals for oil companies and other companies involved in the manufacture of military-related products. During law school, Elvis was a legal intern for BP, where he rotated through all the legal practice groups.

Elvis has a Juris Doctor (cum laude) from the Thurgood Marshall School of Law in Houston, Texas and a Bachelor of Arts from the University of Maryland, College Park, Maryland. Elvis is Secretary of the Houston Bar Association, International Law Section and Council Member of the Houston Bar Association, Oil, Gas, and Mineral Law Section.

Moscow, Russia

Alexandra Rotar

Alexandra Rotar is an Associate in King & Spalding’s Moscow office, and a member of the firm’s Global Transactions Practice Group. Her primary area of focus is advising companies investing and operating in the Russian oil and gas, power, metals and mining and natural resource sectors, specializing on regulatory, commercial and corporate matters.

Prior to joining King & Spalding Alexandra worked in the energy practice of White & Case law firm. Alexandra graduated from the Moscow State University of International Relations in 2009 (Magna Cum Laude). She is an AIPN YN Representative in the CIS and is responsible for YN activities in the region. She speaks Russian, English and French.