12.08.2026 aktualisiert

**** ******** ****
verifiziert
Premiumkunde
100 % verfügbar

Senior Controller, Senior Finance Manager, Kaufmännischer Leiter, Interim Manager, Consultant

Hamburg, Deutschland
Weltweit
Industriekaufmann (IHK)
Hamburg, Deutschland
Weltweit
Industriekaufmann (IHK)

Profilanlagen

260811_CV_Serkant_Tueremis_Kompakt_DE_interim.pdf

Über mich

Interim Manager für Finance und Controlling, 25+ Jahre, überwiegend operativ: Reporting, Abschluss, Liquidität, ERP-Migration. Ich springe ein, wenn eine Stelle vakant ist oder eine Projektspitze ansteht, arbeite mich schnell ein und bin nach wenigen Tagen produktiv. Frei ab 01.09.2026.

Skills

FinanzbuchhaltungFunktionelles ManagementInternational Financial Reporting StandardsSAP FISAP FI/COKonzerncontrollingWorkday Financials
Interim Manager für Finance und Controlling, seit über 25 Jahren, überwiegend operativ. Ich übernehme die Arbeit selbst, vom Aufbau eines Controllings bis zum Monatsabschluss, und bin nach wenigen Tagen produktiv. Typische Anlässe: eine vakante Stelle, eine Elternzeit- oder Krankheitsvertretung, eine Projektspitze, ein Audit oder eine Migration.

Leistungen: Aufbau und Weiterentwicklung von Controlling und Reporting, Management Reporting, Ad-hoc-Analysen, Budgetplanung, Forecast und Rolling Forecast, Liquiditätsplanung, Cashflow und Szenarien, Deckungsbeitragsrechnung, Kostenrechnung, Kalkulation und Nachkalkulation, Wirtschaftlichkeitsrechnung, Business Case, Monatsabschluss, Quartalsabschluss, Jahresabschluss nach HGB, International Financial Reporting Standards, Konsolidierung, Finanzbuchhaltung, Accounting, Rückstellungen, Abgrenzungen, Intercompany.

Sondersituationen: Carve-out, Post-Merger-Integration, Due Diligence, Restrukturierung, Reorganisation, Sanierung, Eigenverwaltung und Insolvenz, Finance Transformation, Prozessanalyse, Prozessoptimierung, Digitalisierung, ERP-Migration und ERP-Einführung.

Rollen: Interim Controller, Interim Finance Manager, Senior Controller, Head of Finance, Kaufmännische Leitung, Finanzleitung. Ich habe Teams geführt und die Abschlüsse selbst gemacht, arbeite also auf jeder Flughöhe.

Systeme: SAP FI/CO (Projektleitung einer Einführung), Microsoft Dynamics 365 Business Central, Navision, Microsoft NAV, Sage 100, DATEV, Workday Financials und Workday Adaptive Planning, Oracle Hyperion, MS Excel auf Expertenniveau inklusive Makros und Power Query, Power BI, Tableau, Jira, Confluence, Microsoft 365. Neue Systeme und Strukturen erschließe ich mir schnell, das ist Routine.

Branchen: Industrie, Dienstleistung, Handel, Telekommunikation, Non-Profit mit Fördermittel- und Zuwendungslogik, erneuerbare Energien. Besondere Tiefe in Entertainment, Medien und Freizeitwirtschaft: Lizenz- und Royalty-Abrechnung, Recoupment, Minimum Guarantees, Settlements, Produktions- und Tourcontrolling, internationale Lizenz-Audits.

Sprachen

DeutschMutterspracheEnglischverhandlungssicherItalienischGrundkenntnisseTürkischverhandlungssicher

Projekthistorie

Financial Controlling and Consulting

Innn.it e.V. (former Change.org e.V.)

Sonstiges

Innn.it e.V. (former Change.org e.V.) – Berlin | Non-profit organization, petition website operator
  1. Preparation of monthly reports (budget/actual comparison and control of accounting)
  2. Preparation of the annual report, annual budget planning and ad-hoc analyses
  3. General advice on process optimization regarding finance and controlling

License Controlling (Interim)

tonies GmbH

Medien und Verlage

500-1000 Mitarbeiter

Interim License Controlling für einen börsennotierten Anbieter von Audio-Entertainment mit lizenzierten Kinder-IPs (Vertretung während Mutterschutz).

Quartalsweise Royalty-Abrechnungen für Lizenzgeber aus Musik, Verlag und Medien erstellt und geprüft, inklusive Mindestgarantien, Recoupment, Retourenabgrenzung und Prozessoptimierung.

Historische Lizenzdaten für ein externes Audit eines großen US-Studios rekonstruiert (Musikverlag und Tonträger, ROW und AUS) und die daraus resultierenden Statements mit dem Lizenzgeber abgestimmt.

Abstimmung der Musiklizenzen mit der deutschen Verwertungsgesellschaft und deren internationalem Hub für 2018 bis 2024 begleitet und die Datengrundlage für einen anstehenden Ausschüttungslauf mit der Rechtsabteilung aufbereitet.

Lizenzdaten für Rückstellungen und Abgrenzungen bewertet, Metadaten für Vertragsverhandlungen strukturiert.

Sollprozesse und SOPs für ein Tool zur Royalty-Automatisierung entworfen und die Testphase im Rollout begleitet.

Financial Project Management

Explorado Group GmbH

Sonstiges

Explorado Group – Cologne | Media industry, developing, producing, and operating live events
  1. Developed three tailor-made, dynamic budget tools from scratch in Excel (incl. macros), each individually designed to address the specific financial and operational requirements of its respective exhibition project, enabling automated adjustments to key variables such as exhibition period, venue capacity, operating hours, and ticket pricing.
  2. Created promoter budgets (internal and external) and financial analyses for licensed blockbuster exhibitions, supporting deal negotiations and strategic decision-making.
  3. Prepared investment and recoupment analyses for a new venue, evaluating feasibility and long-term profitability.
  4. Built a co-investment budget and a two-year European tour budget for a jointly financed exhibition production, including scenario modelling for multiple cities.

Production Controlling

Stage Entertainment GmbH

Sonstiges

Stage Entertainment GmbH – Hamburg | Live entertainment, producer & operator of musical theatre productions
  1. Provided production build-up controlling and financial project support for Disney’s Tarzan at Theater Neue Flora, including cost tracking, variance analysis and reporting.
  2. Enhanced an Excel-based budget tracking tool to improve transparency and forecasting accuracy.
  3. Executed monthly financial closings for three theatres and supported quarterly forecasts and annual budget planning.
  4. Assumed full daily responsibilities of an absent production controller without formal handover, independently acquiring process knowledge and coordinating cross-functionally during holiday season resource constraints.
  5. Gained proficiency in Workday Financials and Workday Adaptive Planning in reporting and planning cycles. ▪ Ensured continuity until a permanent successor was hired and onboarded.

Financial Management & Controlling

CBS GmbH

Sonstiges

CBS GmbH – Willich | Document management services, operating under self-administered insolvency
  1. Managed the finance department (team of 4) and deputized for the Finance Manager during a 6-week absence.
  2. Reported directly to the CFO, management board, and insolvency administrator.
  3. Acted as the primary contact for the insolvency administrator and auditors during the insolvency proceedings.
  4. Supervised the ERP system upgrade (Sage 100), including testing, deviation analysis, and implementation of adjustments. ▪ Provided advisory support for budget planning, liquidity forecasts, and financial analyses.
  5. Prepared monthly, quarterly, and annual financial statements and liaised with tax advisors and auditors.
  6. Supported the implementation of management directives and contributed to special projects in finance and controlling.

Project Management & Consulting

Eisbär Entertainment GmbH

Sonstiges

Eisbär Entertainment GmbH - Sylt | Live entertainment, promoting live events and tours
  1. Developing management strategies for the successful execution of tours, including operational implementation, coordination of all involved parties, and presenting existing concepts with detailed planning of operational execution.
  2. Preparing financial reports, analyzing project costs, and optimizing budgets and business plans to derive efficient, cost-saving solutions and evaluate project profitability.
  3. Supporting the development of analytical tools to improve controlling functions, optimizing reporting and planning processes, and ensuring smooth collaboration between specialist departments.

Consulting and Project Management

Explorado Group GmbH

Sonstiges

Explorado Group GmbH – Cologne | Entertainment industry, planing and organizing live and immersive events
  1. Develop business cases and budgets for projects. Assess project feasibility and profitability
  2. Obtain necessary permits and licences from local authorities and venues. Negotiate deals with suppliers and landlords
  3. Monitor project costs throughout the process. Provide cost-effective solutions to improve efficiency and optimizing projects financially while creating financial reports. Review financial risks and identify areas for improvement. Make recommendations based on analysis and insights

Consulting, Creating and Producing

Mignon GmbH & Co. KG

Sonstiges

Mignon GmbH & Co. KG – Hamburg | Event agency, producing and organizing events and shows
  1. Executive Producer, Co-Artistic Director of the “Winterspektakel-Show” 2022/2023 – Concept, development, and planning of the show

Financial Controlling and Consulting

Global Tech I Offshore Wind GmbH

Energie, Wasser und Umwelt

Global Tech I Offshore Wind GmbH – Hamburg | Renewable energies, offshore wind farm operator
  1. Consultation within the framework of the quarterly reviews and preparation of the business plan
  2. Consolidation of the current and planned costs from the individual departments into a cost plan for the next 1–4 years
  3. Professional exchange with the responsible cost center managers and advice within the framework of process optimization
  4. Consultation within the scope of ad-hoc inquiries in the context of due diligence

Financial Controlling

Groove Attack GmbH

Medien und Verlage

Groove Attack GmbH – Cologne | Music industry, publisher, and digital distributor
  1. Preparation of monthly reports, including analysis and commentary. Identifying deviations from plans and developing alternative solutions.
  2. Planning budgets and forecasts, along with ad-hoc analysis focused on operational business development. Cost and profitability calculations for segments and projects
  3. Supporting the development of analytical tools for the controlling function. Reporting and planning processes optimized with interfaces to specialist departments and support for special controlling projects

Financial Controlling and Consulting

die.interaktiven GmbH & Co. KG

Internet und Informationstechnologie

die.interaktiven GmbH & Co. KG – Wetzlar | Management consultancy, agency for digital transformation
  1. Reprocessing legacy positions of the financial statements
  2. Automation of finance processes and day-to-day business

Financial Controlling

Ticketmaster GmbH

Sonstiges

Ticketmaster GmbH – Berlin | Entertainment industry, distributor of tickets for live and sporting events
  1. Advice on optimizing financial reporting guidelines and processes for the management and the holding company
  2. Provide operational support to the CFO in the preparation of the annual budget and forecast
  3. Reconciliation and workup of a large client's advance payment process

Operations Management

Oji Europe GmbH

Pharma und Medizintechnik

Oji Europe GmbH – Nauen | Health care industry, developer of long-term disinfection solutions
  1. Bringing together contacts from my network with a view to establishing new, beneficial business relationships
  2. Research for certification and approval of new machines and electrical devices in the field of hygiene technology
  3. Preparation and implementation of a trade fair appearance, including cost planning and evaluation of the event

Consulting

Mignon GmbH & Co. KG

Sonstiges

Mignon GmbH & Co. KG – Hamburg | Event agency, producing and organizing events and shows
  1. Preparation of a feasibility analysis for a new family Christmas show in Hamburg for the 2021/2022 season in terms of production costs, expected attendance, ticket prices and profitability, considering the aftermath of the pandemic

Kontaktanfrage

Einloggen & anfragen.

Das Kontaktformular ist nur für eingeloggte Nutzer verfügbar.

RegistrierenAnmelden