Sivakumar Chidambarathanu

Group Chief Information Officer, Mortgages, NBS

Manchester, England, United Kingdom

About

Recently CIO for UK's second largest mortgages lender for Home and biggest BTL lender, he has acquired over 30 years’ experience and a sustained record of success in spearheading complex financial services and banking operations including legacy modernization, data and digital transformation and AI modernization programs. A dynamic and solution-focused professional with a proven track record of leading diverse teams and projects, delivering robust and commercially viable strategies and achieving scalable growth. A natural leader and adept communicator, well-versed in leading large teams and cultivating profitable working relationships with stakeholders at all levels to generate funding and drive employee engagement. A proven strategist who thrives on a global basis and within fast-paced environments by utilising skills within risk management alongside extensive financial regulatory and governance knowledge.

Experience

  • Nationwide Building Society (Full-time · 3 yrs 1 mo)
    • Chief Information Officer, Mortgages
      Oct 2024 - Present · 1 yr 10 mos

    • Director Of Engineering, CIO
      Jul 2023 - Present · 3 yrs 1 mo

  • Head of Data platforms at TSB Bank at TSB Bank
    Aug 2020 - Jun 2023 · 2 yrs 11 mos

    • Transitioned the IT Core banking applications from Spanish organization Sabis IT to TSB in house within a period of 6 months • Had Setup new platform teams to support change and run the bank activities which had been a great success in the last one year. • Manages seven critical data platforms including Fraud, Financial Crime, Credit Risk, Mortgages and SAP • Delivered critical upgrade programs and transformational activities within Non plastic fraud domain including improved sim swap and better scoring models • Managing the Actimize upgrade for Financial crime program (CDD, SAM and WLF) while improving the overall architecture of the applications • Successfully delivered MSO and UFSS upgrades with no issues for the first time within the bank in the last 5 years • Managing the Experian PowerCurve upgrade and use the latest delphi score. • Consolidated SAP applications within TSB and migrating S4hana to the SAP Cloud • Had established a very strong RTB team to support all the above 7 platforms • Accountable Executive for several critical vendors like IRESS, Nice, Biocatch, etc • Holds full ownership of all funding and resources for the team and proactively identifying cost-saving opportunities

  • Barclays (9 yrs)
    • Director
      Mar 2016 - Aug 2020 · 4 yrs 6 mos

      • Plays a leading role in overseeing the day-to-day operational management and providing key leadership and direction across a broad range of projects and initiatives to drive revenue and business growth and developing roadmaps • Motivates and manages a diverse cross-functional team of 8 Vice Presidents along with overall responsibility for 20 indirect reports • Manages all critical customer communication platform which encompasses 12 technical platforms, managing a budget over £20m and 200+ FTE, maintaining strategic oversight and actively reviewing each platform on a weekly basis • Holds full ownership of all funding and resources for the team, managing all operational costs and proactively identifying cost-saving opportunities • Spearheaded the paperless end-to-end programme, set up an internal Coherent communications platform to create and store documents, this resulted in saving over £40m in the last 5 years for Barclays • Liaises extensively with compliance teams regarding all communications sent and online activities to reduce risk • Delivered Letters and Statements platforms using Exstream and had migrated several legacy applications including retail and card statements in house • Championed the delivery of critical authentication platforms for Barclays including OTP and mobile banking authentication • Successfully leading AWS migrations for several of the communication platforms, coordinated with cross-functional teams and ensuring all deliverables achieved

    • VP - Products
      Sep 2011 - Mar 2016 · 4 yrs 7 mos

  • Program Manager at Mahindra Satyam
    Mar 2005 - Sep 2011 · 6 yrs 7 mos

  • Sr. Project Manager at Infravio ( webMethods / Software AG)
    2004 - 2005 · 1 yr