Announced partner on December 2017. He joined the firm as Of Counsel and leads the constitutional, administrative, regulatory and telecom practice of the firm. 
Throughout his 30 years of career, has acquired in depth experience both in the public and private sectors, enabling him to have a full and comprehensive knowledge of the financial and telecom industries as well as of governmental regulation and taxes.
As part of his constitutional and administrative practice, he has been successful in the litigation of constitutional controversy procedures, telecommunication disputes, constitutional relief proceedings (Amparo), and administrative litigation in general, several of them creating groundbreaking precedents decided by the Mexican Supreme Court of Justice.
Mr. Mancera’s outstanding career as a public servant allows him to actively advise a wide range of clients in matters related to new proposals for laws and regulations, government procurement, accountability of public servants, anti-corruption and compliance, anti-money laundering, tax evasion and tax law matters, among other highly regulated procedures.
He has held various high-level positions in the public and private sectors, including Chief Federal Tax Prosecutor, General Counsel to the Ministry of Finance, Chief of the Banking and Savings Unit at such ministry and served as Vice President of Legal and Regulatory Telecom Affairs at Grupo Televisa
and as Chief Legal and Regulatory Officer at Avantel. 
He has been member of the board of directors of several telecom companies, including Innova (SKY México), Cablevisión and Cablemás. Moreover, he was also a member of the governing bodies of the National Banking Commission (Comisión Nacional Bancaria y de Valores), the National Insurance and Bonding Commission (Comisión Nacional de Seguros y Fianzas) and the Bank Savings Protection Institute (Instituto para la Protección al Ahorro Bancario), among others.

Representative Transactions 


Tax and Administrative:


  • The defense of several “amparo” proceedings against the asset tax, the flat tax, the portability of the pension fund subaccount of ISSSTE, among many others (as well as overseeing more than 150 thousand tax related trials annually).
  • The strategy and execution for securing USD$220 Million from Zhenli Ye Gon (an international white collar crime criminal) and its re-installment into the Federal Treasury before the corresponding trial concluded, as well as its distributions between the Supreme Court, the Attorney General's Office and the Ministry of Health.
  • The resolution of the Kansas City Southern of Mexico (formerly TFM)’s case on taxable trial for nearly MXN$10 Billion.


Telecommunications and Antitrust:


  • The concentration procedure of the subsidiaries of Grupo Televisa, Cablemas, Cablecom, and other cable companies.
  • Representation of AT&T/Iusacell before the Mexican Supreme Court in the legal proceedings related to the application of the VAT zero tax for the Roaming International Services obtaining a favorable decision to AT&T/Iusacell.
  • Representation of Telefonica before the Mexican Supreme Court in the juicio de amparo related to the application of the VAT zero tax for the Roaming International Services


Banking and Finance Systems:


  • The regulation for the operation of the Bank-Shops (Bancos-Tienda), the Total Annual Cost, the credit transparency, banking correspondents and money laundering, among others.
  • The final report addressed to the Chamber of Representatives regarding the Banking Rescue Process.
  • Participation in the working groups for several amendments to the Credit Institutions Law, particularly the bank resolutions scheme, and the entire financial reform of 2002.




Mr. Mancera holds a Master of Arts in Law and Diplomacy degree from The Fletcher School of Law and Diplomacy at Tufts University in Boston, Massachusetts, United States and a law degree (J.D. equivalent) with the highest honors (summa cum laude) from the Instituto Tecnológico Autónomo de México (ITAM), Mexico City, Mexico.