Maria Carmela Concepcion is an Integrity Officer at ADB’s Office of Anticorruption and Integrity (OAI) where she supports the Office of the Head, OAI, in policymaking and advisory services. Her role includes providing guidance to both ADB internal and external stakeholders, on ADB’s Anticorruption Policy, related policies, and matters under OAI’s mandate. She started working in OAI as an investigator for OAI’s Investigations Division in 2018 and transitioned to the Office of the Head in 2023. Ms. Concepcion is a lawyer and a certified fraud examiner.

Nana Kvanchiany is a Procurement Officer in ADB Resident Mission in Tajikistan. She has more than 15 years of procurement-related experience gained in the role of (i) project analyst across various sectors of Tajikistan from 2005-2019 and (ii) TJRM Procurement Officer starting from 2019. Nana is ADB Procurement Accredited and holds Master's degrees in Business Administration (Steinbeis University Berlin SHB) and Economics (Russian – Tajik Slavonic University).

Ezzatullah Oriakhail works with Public Financial Management Division (PFFM) of Procurement, Portfolio and Financial Management Department (PPFD) at the Asian Development as Associate Financial Management Officer. PPFD is responsible for planning, monitoring, and coordinating of project processing and administration work programs, financial management policies and procedures, procurement reviews and consultant recruitment.

Donabel Atienza is an Integrity Officer of the Asian Development Bank’s (ADB) Office of Anticorruption and Integrity (OAI). She assesses complaints for allegations of integrity violations in any ADB-related activity by staff or third parties.

Prior to joining ADB, Donabel was an investigator at the Office of the Ombudsman, Philippines, and leads teams that handle complaints against officers or employees of the Government and third parties. She was also an Investigating Member of the Ombudsman’s Internal Affairs Board.

Donabel is a lawyer and a Certified Fraud Examiner.