AB Bank Executive and Leadership Team

August, 2026

Leadership Overview

AB Bank has 4 executives leading key functions including strategy, human capital, operational efficiency, and administrative management.

Focused on delivering comprehensive financial solutions, AB Bank prioritizes innovation and customer-centric banking to support the diverse needs of individual, corporate, and SME clients across the regional market.

Leadership Roles at AB Bank

  • Chief Executive Officer - Tayseer Siddiqui
  • Deputy Managing Director and Chief Operating Officer - Md Al Mamoon
  • Chief Human Resources Officer - Mohammad Islam
  • Senior AssisVice President - Md Mostafa
  • Tayseer Siddiqui - Chief Executive Officer

    Tayseer Siddiqui, the Chief Executive Officer at AB Bank, directs the overarching strategic vision and long-term growth trajectory of the institution. By overseeing the integration of retail, corporate, and Islamic banking divisions, the Chief Executive Officer ensures consistent alignment with the core mission of providing tailored financial solutions. Tayseer Siddiqui manages high-level relationships with the Board of Directors to drive profitability and market expansion. This leadership role involves constant evaluation of the competitive landscape to maintain a strong position within the banking sector. Through the implementation of digital transformation initiatives, the Chief Executive Officer optimizes service delivery for individual customers and businesses alike. By fostering a culture of innovation, the Chief Executive Officer secures the future stability of the organization. Ultimately, the Chief Executive Officer maintains the highest standards of corporate governance while expanding the reach of the bank across diverse market segments.

    Md Al Mamoon - Deputy Managing Director and Chief Operating Officer

    Md Al Mamoon, the Deputy Managing Director and Chief Operating Officer at AB Bank, directs the daily operational workflows and infrastructure that sustain the bank's diverse product offerings. Overseeing the seamless execution of internet banking, loan processing, and deposit account management, the Deputy Managing Director and Chief Operating Officer ensures that internal systems remain scalable and secure. Md Al Mamoon manages the operational risks associated with large-scale financial transactions while optimizing the efficiency of retail and corporate banking channels. By coordinating with other C-suite leaders, the Deputy Managing Director and Chief Operating Officer aligns operational capacity with the strategic goals of the organization. This leadership role involves the continuous improvement of service delivery models to meet the specific needs of expatriates and business clients. Through the rigorous oversight of operational processes, the Deputy Managing Director and Chief Operating Officer maintains the integrity and reliability of the bank's financial services.

    Mohammad Islam - Chief Human Resources Officer

    Mohammad Islam, the Chief Human Resources Officer at AB Bank, architects the talent acquisition and organizational development strategies necessary to support a growing financial institution. Overseeing the entire employee lifecycle, the Chief Human Resources Officer ensures that the workforce possesses the technical expertise required for retail, corporate, and SME banking operations. Mohammad Islam designs comprehensive training programs that align staff capabilities with the evolving demands of Islamic banking solutions and digital service platforms. By collaborating with the executive leadership team, the Chief Human Resources Officer cultivates a high-performance culture that prioritizes customer service excellence. This role involves managing complex compensation structures and performance management systems to retain top-tier banking professionals. Through the implementation of robust internal policies, the Chief Human Resources Officer drives organizational efficiency and employee engagement. Ultimately, the Chief Human Resources Officer strengthens the internal foundation of the bank to support long-term institutional success.

    Md Mostafa - Senior AssisVice President

    Md Mostafa, the Senior AssisVice President at AB Bank, executes critical administrative and support functions that facilitate the smooth delivery of banking services. Overseeing the coordination of departmental resources, the Senior AssisVice President ensures that the bank's card services and retail banking operations function without interruption. Md Mostafa manages the logistical requirements of various financial products, providing the necessary support to front-line teams serving individual and corporate clients. By monitoring internal performance metrics, the Senior AssisVice President identifies opportunities for process refinement and cost reduction. This leadership role involves close collaboration with senior management to implement policies that enhance customer satisfaction and operational transparency. Through the diligent management of administrative workflows, the Senior AssisVice President supports the broader strategic objectives of the institution. Ultimately, the Senior AssisVice President contributes to the overall efficiency of the bank by maintaining high standards of operational excellence across all assigned functional areas.

    Explore Leadership Teams in Banking

    Frequently Asked Questions Regarding AB Bank Top Executives and Leadership Team

    Who leads AB Bank?
    AB Bank is led by Tayseer Siddiqui (Chief Executive Officer), along with executives such as Md Al Mamoon (Deputy Managing Director and Chief Operating Officer) and Mohammad Islam (Chief Human Resources Officer).
    Who is part of AB Bank’s executive team?
    The executive team of AB Bank includes leaders such as Tayseer Siddiqui (Chief Executive Officer), Md Al Mamoon (Deputy Managing Director and Chief Operating Officer), Mohammad Islam (Chief Human Resources Officer) and other senior executives.
    How many executives does AB Bank have?
    AB Bank has 4 executives leading key business areas.
    What roles are included in AB Bank’s leadership team?
    The leadership team of AB Bank includes roles such as Chief Executive Officer, Deputy Managing Director and Chief Operating Officer, Chief Human Resources Officer, Senior AssisVice President.