Nathan Zielke

ist offen für Projekte. 🔎

Selbstständig, Managing Partner, Cullinan Consulting, Berlin
Berlin, Germany

Fähigkeiten und Kenntnisse

Airline
Airport und Railway / Eisenbahn Know How
Flughafen
umfangreiche Consulting- und Führungs-Erfahrung
Schweizer Markt
Finanzen
Projektmanagement
Sanierung von Unternehmen
Turnaround
Public Affairs Management
Logistik
Startup Management
Fluglinien und Flugsicherungs-Erfahrung
Management
Immobilien
Controlling
Supply Chain
Interimsmanagement
Mergers & Acquisitions
AI

Werdegang

Berufserfahrung von Nathan Zielke

  • Current 8 years and 6 months, since Jan 2018

    Managing Partner

    Cullinan Consulting, Berlin

    Founder & MD of Boutique consulting & investment firm specialising in Travel & Transportation, Healthcare, and Digital Transformation. Projects focusing on Travel & Transportation, Health Care and Automation. Various C-Level-Mandates in Europe.

  • Current 27 years and 3 months, since Apr 1999

    Inhaber

    Sarong.de

  • 2 years and 6 months, Nov 2023 - Apr 2026

    Managing Director

    Cosmetique Totale B.V. and MyDerma GmbH, Berlin, Germany

    High-growth, Private Equity-backed Buy-and-Build platform; market leader in medical aesthetics across Germany and NL. Successfully doubled the regional footprint from 8 to 16 locations (organic growth + M&A). Spearheaded the end-to-end integration of acquired entities (PMI). Achieved a 10% year-on-year revenue increase while expanding EBIT by 35% per annum through rigorous operational excellence and cost management.

  • 2 years and 11 months, Apr 2019 - Feb 2022

    Partner

    Deckert Medizintechnik GmbH, Berlin, Germany

    50%-Partner in Covid19-Project. Established a resilient, end-to-end global supply chain for Personal Protective Equipment (PPE), facilitating large-scale procurement from Asia to European markets. Orchestrated the multi-modal import and distribution of 300+ containers via sea, rail, and air freight, ensuring consistent supply security during a period of unprecedented global market volatility. Successfully scaled revenue from 0 to >€50m within a 24 months

  • 4 years and 1 month, Jan 2014 - Jan 2018

    Managing Director and Founder

    DreamCheaper.com

    Executive Responsibility: Full operational oversight across Finance, Strategy, Partnerships, Operations, and HR. Industry Recognition: Awarded the "Golden Palm" (GEO), 1st Prize in the Innovation Award (VIR), and 1st Prize in the national SAT1 consumer challenge "Es geht noch günstiger". Market Impact & Exit: Developed a pioneering business model that has since been replicated globally. Successfully orchestrated the asset sale to an Asian investor in 2018

  • 2 years, Jan 2015 - Dec 2016

    CFO, Vorstand Finanzen, HR, IT, Strategie, Sourcing

    Rail Cargo Hungaria Zrt.

    CFO and Co-CEO, Member of Supervisory Board of Technical Services Hungaria. Member of Supervisory Board of Xrail. Head of Waggon-Management of Rail Cargo Group. Full oversight of Finance, IT, HR, Supply Chain, Strategy, and Asset Management; lead for all RCH Group projects and digital transformation at Rail Cargo Group level. Orchestrated a full refinancing, successfully reducing the average cost of debt by 2.4 %p. Spearheaded the development and implementation of key innovation initiatives

  • 5 years and 10 months, Mar 2011 - Dec 2016

    Mitglied des Aufsichtsrats

    Xrail S.A.

  • 3 years and 9 months, Mar 2011 - Nov 2014

    Mitglied der Geschäftsleitung

    SBB Cargo AG

    Member of the Board. Member of the Supervisory Board of SBB Cargo International AG. Member of the Supervisory Board of Xrail. Head of Corp. Dvlp. & Restructuring. Full remit across Strategy, Regulation, Network Design & Development, Product Management, Demand Planning, and Organisational Development. Orchestrated the comprehensive turnaround of SBB Cargo, delivering a 13 %p EBIT margin expansion within three years. Achieved first positive annual result in 42 years.

  • 5 years and 5 months, Oct 2005 - Feb 2011

    Principal, Travel & Transportation

    Arthur D. Little GmbH

  • 1 year and 4 months, Jul 2004 - Oct 2005

    Pünktlichkeitsmanager

    Lufthansa AG

  • 1 year and 10 months, Oct 2002 - Jul 2004

    ProTeam - Führungsnachwuchsprogramm

    Deutsche Lufthansa AG

Ausbildung von Nathan Zielke

  • 3 years and 9 months, Oct 1998 - Jun 2002

    BWL

    Christian Albrechts Universität Kiel

    Controlling, Innovation/neue Medien/Marketing, Wirtschaftsinformatik

Sprachen

  • German

    C2 (Verhandlungssicher / Muttersprachlich)

  • English

    C2 (Verhandlungssicher / Muttersprachlich)

  • French

    A1-A2 (Grundkenntnisse)

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