Christian Hauptmann Weiland

In the business of reducing complexity: People focused and result driven Transformation, Culture and Change Management leader with 14+ years of experience advising executives and leading enterprise-wide transformation

Germany

About

Change Management, organizational culture & leadership expert since 2012 with a passion for putting people in the center of any transformation. I take my work seriously but not myself.

Experience

  • Senior Expert Change Management & Transformation at SEFE Energy GmbH
    Oct 2025 - Present · 9 mos

    Securing energy. For today and tomorrow. SEFE delivers reliable energy. With trading, sales, infrastructure and services across gas, power and hydrogen, we enhance energy security and accelerate the transition to a low-carbon future.

  • Mercer (On-site)
    • Principal Transformation, Change Management, Performance Culture and Leadership
      Apr 2022 - Oct 2025 · 3 yrs 7 mos

      • Part of the German people executive leadership team as Head of culture for Mercer GER, achieving a 10% increase in engagement scores and improved retention rates within a year • Leadership coach & designer of the leadership progrgamme for Mercer GER • Functional and disciplinary leadership of four employees | Responsible for acquisition activities with a total value of EUR > 2,500,000 • Project lead and SME in a multitude of  change & transformation projects for international customers in various industrial sectors, including leadership, culture change, re-organizations, post-merger integrations, ESG and talent management • Co-responsible for the development of service portfolios leadership and performance management in the European market • Co-author of the Point of Views for Cultural Transformation

    • Manager Change Management & Culture Transformation
      Feb 2021 - Mar 2022 · 1 yr 2 mos

      • Functional and disciplinary management of four employees • Responsible for acquisition activities with a total value of EUR > 1. 300.000 • Project lead and SME in a multitude of  change & transformation projects for international customers in various industrial sectors, including leadership, culture change, re-organizations, post-merger integrations, ESG and talent management • Co-responsible for the development and training of Mercer’s international cultural transformation approach

  • PwC Deutschland (Greater Hamburg Area)
    • Manager (Prokurist), Change Management & Talent Management, People & Organization
      Oct 2019 - Jan 2021 · 1 yr 4 mos

      • Sales Responsibility and Technical Leadership HR Change Team • Responsible for acquisition activities with a total value of EUR > 750,000 • Workstream Lead Change Management for six global HR talent management & S/4HANA transformations with total project volume for international clients in various industry sectors • Design of the training product portfolio for IT implementations • Establishment of cooperation with service delivery centers in India

    • Senior Associate, Change Management & Talent Management, People & Organization
      Jan 2017 - Sep 2019 · 2 yrs 9 mos

      • Workstream Lead Change Management & Communication for over 25 global HR, M&A, talent management, Culture & IT transformations with a total project volume for international clients in various industry sectors • Operational responsibility for acquisition activities with a total value of EUR > 3 million • Change Management Lead for the merger of five PwC subsidiaries to form PwC Europe • Development of the product portfolio communication design with off-shore resources in India

  • Euler Hermes German Export Credit Agency (Full-time · 2 yrs 3 mos)
    • Head of Project Management Office and Change Management ENCORES+
      Jul 2016 - Dec 2016 · 6 mos

      Head of change management ENCORES+ • Design and implementation of a change architecture • Design and implementation of the strategic project communication • Overviewing the stakeholder management • Conducting sounding board interviews Head of PMO ENCORES+ • Designing, implementing and maintaining the project sharepoint • Controlling and reporting the budget- and resource usage • Overviewing the project's process • Supporting the project leads in workshops, steering committee and management meetings • Conducting the weekly jour fixe meetings • Managing the technical change requests

    • Department Strategy & Governance
      Oct 2014 - Jun 2016 · 1 yr 9 mos

      • Head of change management of the ENCORES+ IT-transformation project • Design and implementation of an on boarding process, incl. realization of a job starter intranet site • Design and implementation of a training concept, incl. realization of a internal knowledge platform • Design of a customer-feedback management process and platform • Risk analysis of internal governance processes • Design and realization of two product information animation films • In-house consulting for strategic projects regarding question of change, innovation and organizational culture

  • Systemic Excellence Group (Berlin)
    • Self-Employed Junior Consortial Partner
      Sep 2013 - Sep 2014 · 1 yr 1 mo

      • Design and implementation of a new communication and intelligence institution • Project lead & management of the legal change towards a cooperative • Supporting tasks in change projects for Alstom and Daimler • Research and publications in the areas of organisational exploration and project management • Project lead for an EU FET tender for systemic policy analysis

    • Trainee
      Sep 2012 - Sep 2013 · 1 yr 1 mo

      • Planed, organized and executed an internal change project, which aimed at supporting the global performance of SEgroup by establishing processes, handbooks and structures in the areas communication, people & development and research. • Instructed, supervised and trained one trainee and one intern. • Engineered and implemented work processes including an internal research process enabling a high quality academic output. • Moderated workshops and meetings. • Co-authored multiple publications on process engineering, team development and organisational self-exploration.