Mathieu Dumaillet

Divisional Integration Director Roofing + Waterproofing @Kingspan

Switzerland

About

Experience

  • Kingspan Group (2 yrs 4 mos)
    • Divisional Integration Director Roofing + Waterproofing
      Sep 2025 - Present · 10 mos

    • Corporate Development Manager
      Mar 2024 - Sep 2025 · 1 yr 7 mos

      The Corporate Development team sources and negotiates M&A other strategic opportunities on behalf of the Group's five divisions: Insulated Panels, Insulation, Light, Air&Water, Roofing+Waterproofing, Data & Flooring Since its founding in 1965 in Kingscourt, Co. Cavan, Ireland, the Kingspan Group has grown to be the global leader in high-performance insulation and building envelope solutions for the construction market employing over 22,000 people across 80+ countries. As the global leader in high-performance insulation and building envelope solutions for the construction market, our ultimate goal is to improve building performance and contribute to a more sustainable, energy-efficient future for our customers and the environment. Our mission is to accelerate a net zero emissions future with the wellbeing of people and planet at its heart.

  • Director - Valuation & Business Modelling Services at Alvarez & Marsal
    Jul 2022 - Mar 2024 · 1 yr 9 mos

    - Led 10+ buy-side and sell-side valuation and modelling projects for private equity funds and corporate clients, identifying and assessing key value drivers, risks and opportunities for deals from 20m€ to over 1bn€ - Conducted complex financial modelling, financial analysis and due diligence to support M&A transactions, financing, strategic projects and restructuring including accretion/dilution analysis, joint venture termination, synergy analysis, and scenario analysis - Coordinated other A&M practices, including risks, legal, tax, due diligence, and value creation, to provide integrated solutions - Coordinated business development and marketing efforts, including proposal writing, client meetings, and fees negotiation

  • Deloitte (9 yrs 9 mos)
    • From Senior Analyst to Director
      Jan 2015 - Sep 2022 · 7 yrs 9 mos

      - Managed and delivered 200+ business and intangible valuations for mergers and acquisitions, financial reporting, tax, and regulatory compliance, restructuring and reorganisation, corporate services, and management planning purposes - Developed business plans and strategic options for clients, incorporating market research, industry benchmarks, and financial projections - Coordinated international teams on cross-border projects including Australia (two-year secondment), France, Switzerland, the United Kingdom, and the United States - Analyzed 20+ SPAs and shareholders agreements to capture the impact of specific clauses on deal value - Prepared 5+ webinars to support business development initiatives and teams training - Developed reports and models templates to improve team’s efficiency, improve profitability and ensure high standard quality (30% time saved) - Led the implementation of new CRM software to speed up the KYC process (40% time saved) - Ensured compliance in KYC process, contracted with clients, performed risk management procedures and oversaw the cash collection

    • Financial Auditor - Apprenticeship
      Jan 2013 - Dec 2014 · 2 yrs

      - Performed the audit of 30+ listed and private companies (from 10m€ shareholders’ equity to 200bn€ market capitalisation)

  • Junior Financial Controller - Intern at Caisse d'Epargne Nord France Europe (BPCE)
    Jun 2012 - Sep 2012 · 4 mos

  • Recruitment Consultant - Intern at Michael Page International
    May 2011 - Dec 2011 · 8 mos