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Individual

Last Updated: July 6, 2026

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  3. Personal Information

Last Updated: July 6, 2026

Individual

Malek Reuben RIAK RENGU

Aliases

Malek RUBEN

Malek REUBEN

Nationality

South Sudan

Position

Deputy Chief of Defense Force and Inspector General of the Sudan People's Liberation Army; First Lieutenant General

Date of birth

1960-01-01

Place of birth

Yei, South Sudan

Sex

Male

Address

Juba, South Sudan

Reg. ID

M6000000000817, Personal ID Card; S00001537, Passport; B0810167, Passport

Function

Military

Official reason

Malek Reuben Riak Rengu (Malek Reuben) has been designated for being responsible for or complicit in, or having engaged in: (1) actions or policies that threaten the peace, security, and stability of South Sudan; and (2) actions or policies that have the purpose or effect of expanding or extending the conflict in South Sudan or obstructing reconciliation or peace talks or processes. Between 2013 and 2016, Malek Reuben held the position of Deputy Chief of Staff for Logistics of the South Sudanese military, known as the SPLA.  This position played a central role in weapons procurement for the first several years of the conflict.  Malek Reuben was reportedly one of a group of senior security officials responsible for planning the April 2015 offensive in Unity State, which reportedly included widespread destruction, targeting of civilians, large population displacement, and numerous human rights abuses.  UN experts determined that ammunition supplied by the SPLA to youth groups was critical in sustaining the offensive.  Malek Reuben allegedly supported a hardline position in a mid-2015 meeting of the National Liberation Council, which met and decided to reject a draft peace proposal. Additionally, Malek Reuben reportedly used his position as Deputy Chief of General Staff for Logistics to issue contracts with inflated prices in order to receive extensive kickbacks.  In 2015, it was suspected Malek Reuben was fabricating procurement contracts for food provision to SPLA troops.  Malek Reuben also reportedly controls a private company, Mak International Services Co Ltd, that sells explosives to private companies in South Sudan in an arrangement promoted on an exclusive basis by the SPLA, and received payments and cash deposits of hundreds of thousands of U.S. dollars by foreign-backed companies.

Sender

US

Other Information

https://home.treasury.gov/news/press-release/sm0152

Date of listing

2017-09-06

Program information

Program information

Authority

US

Program

South Sudan Sanctions Regulations, 31 C.F.R. part 558; Executive Order 13664

Regime

OFAC country specific

Target State

South Sudan

Measures

Blocking Property, Suspending Entry

Official Information

On July 1, 2014, OFAC issued the South Sudan Sanctions Regulations, 31 CFR part 558 (79 FR 37190, July 1, 2014) (the “Regulations”), to implement Executive Order (E.O.) 13664 of April 3, 2014, “Blocking Property of Certain Persons With Respect to South Sudan” (79 FR 19283, April 7, 2014), pursuant to authorities delegated to the Secretary of the Treasury in E.O. 13664. The Regulations were initially issued in abbreviated form for the purpose of providing immediate guidance to the public. OFAC is revising the Regulations to further implement E.O. 13664. OFAC is amending and reissuing the Regulations as a more comprehensive set of regulations that includes additional interpretive guidance and definitions, general licenses, and other regulatory provisions that will provide further guidance to the public. Due to the number of regulatory sections being updated or added, OFAC is reissuing the Regulations in their entirety. On April 3, 2014, the President, invoking the authority of, inter alia, the International Emergency Economic Powers Act (50 U.S.C. 1701 et seq.) (IEEPA), issued E.O. 13664. In E.O. 13664, the President found that the situation in and in relation to South Sudan, which has been marked by activities that threaten the peace, security, or stability of South Sudan and the surrounding region, including widespread violence and atrocities, human rights abuses, recruitment and use of child soldiers, attacks on peacekeepers, and obstruction of humanitarian operations, poses an unusual and extraordinary threat to the national security and foreign policy of the United States and declared a national emergency to deal with that threat.

Additional Details

SDN

Program URL

  • https://www.federalregister.gov/documents/2023/05/18/2023-10427/south-sudan-sanctions-regulations

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