May Kleiner

Director Infrastructure & Operations | Technology & Transformation Executive | Digital, IT/OT & Operating Models

Heidelberg, Baden-Württemberg, Germany

About

Technology and transformation executive with over a decade of progressive leadership in industrial and energy sectors. Grounded in IT infrastructure and digital platforms, consistently applying both to improve how complex organisations operate, make decisions, and execute at scale. Currently serving as Director Infrastructure & Operations at Heidelberg Materials, accountable for a global technology portfolio across 50+ countries, 2,500+ industrial sites and a ~50,000-strong workforce. Member of the CDO Extended Management Team. Selected highlights: • Significant cost savings delivered through cloud, data centre, and network modernisation across 50 countries • Enterprise AI adoption scaled to tens of thousands of employees with high active usage rates; infrastructure enabling AI-driven plant use cases in safety, maintenance, and operational efficiency • OT architecture standardised across 30+ cement sites, removing per-country engineering fragmentation • Infrastructure and delivery model redesigned to a customer-centric platform organisation, improving accountability and cost efficiency • Cyber defence capability built from scratch in a critical national infrastructure environment (BSI Grundschutz, TÜV TSI Level 4) Known for creating clarity in fragmented environments, combining technical expertise with a business-oriented perspective, and building organisations that continue to perform reliably after significant change. Long-term ambition to operate at the intersection of technology and business, where digital capability connects directly with operational and commercial performance, and progressively into broader operational leadership.

Experience

  • Director Infrastructure & Operations at Heidelberg Materials
    2024 – Present

  • EnBW Energie Baden-Württemberg AG (6 yrs 1 mo)
    • Head Of Infrastructure Platforms
      2022 – 2024

      Led enterprise infrastructure and platform services within one of Germany's largest energy providers, covering core infrastructure platforms across data centres, network, SAP, and private cloud environments in highly regulated operational settings. Key areas of focus: • Infrastructure and cloud transformation • Platform-oriented operating models • Critical infrastructure and OT environments • Cyber resilience and business continuity

    • Team Lead Smart Collaboration
      2018 – 2022

      Built and led a team responsible for digital workplace and collaboration services supporting approximately 20,000 users within EnBW’s broader digital transformation. Key areas of focus: • Digital workplace transformation • Product-oriented delivery models • Leadership and organisational development • Enterprise collaboration platforms

  • Campana & Schott (6 yrs 1 mo)
    • Managing Consultant / Senior Project Manager
      2016 – 2018

      Delivered technology and workplace transformation initiatives for large enterprise clients across energy, finance, telecommunications, engineering, and manufacturing industries. Key areas of focus: • Technology transformation • Organisational change • Enterprise collaboration platforms • Complex stakeholder environments

    • Senior Consultant / Project Manager
      2014 – 2016

    • Consultant
      2012 – 2014

  • Working Student - Enterprise Social Networks at esentri AG
    2010 – 2012

  • Intern - Advisory / Governance Risk & Compliance at PwC
    2010 – 2010

    Frankfurt Rhine-Main Metropolitan Area