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Tanja Seydlitz Email & Phone Number

Chief Financial Officer at Wereld Natuur Fonds (WWF-NL)
Location: Amsterdam, North Holland, Netherlands 12 work roles 4 schools
1 work email found @merlinentertainments.biz LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Role
Chief Financial Officer
Location
Amsterdam, North Holland, Netherlands
Company size

Who is Tanja Seydlitz? Overview

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Quick answer

Tanja Seydlitz is listed as Chief Financial Officer at Wereld Natuur Fonds (WWF-NL), a with 231 employees, based in Amsterdam, North Holland, Netherlands. AeroLeads shows a work email signal at merlinentertainments.biz and a matched LinkedIn profile for Tanja Seydlitz.

Tanja Seydlitz previously worked as Finance Director at Wwf-Netherlands (Wereld Natuur Fonds) and Member of the Management Board at Professional Accountants In Europe (Netherlands). Tanja Seydlitz holds Fcma, Cgma, Accounting And Business/Management from Chartered Institute Of Management Accountants (Cima).

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{first}.{last}@merlinentertainments.biz
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Profile bio

About Tanja Seydlitz

Chief Financial Officer, FCMA, CGMA, 20 years of leadership skills from various international organizations and complex playing fields. Experienced of working in large, multi-entity, stock-listed organizations as well as NGO, non-profit, cultural & fundraising sector. Flexible, innovative and fast, develops and executes strategies, entrusted with innovation and transformation, develops data and information for decision-making in a multifaceted stakeholder field, excellent interpersonal and communication skills, fluent in English, German, Dutch, visible and confident appearance on podium, team player with hands-on & can do mentality, exemplary role of organizational values.

Listed skills include Budgets, Forecasting, Management, Accounting, and 26 others.

Current workplace

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Wereld Natuur Fonds (WWF-NL)
Wereld Natuur Fonds (Wwf-Nl)
Chief Financial Officer
zeist, utrecht, netherlands
Website
Employees
231
AeroLeads page
12 roles

Tanja Seydlitz work experience

A career timeline built from the work history available for this profile.

Chief Financial Officer

Current

Zeist, Utrecht, Netherlands

WWF is one of the world’s largest and most respected independent conservation organizations, with over 5 million supporters and a global network active in over 100 countries. WWF’s mission is to stop the degradation of the earth’s natural environment and to build a future in which humans live in harmony with nature, by conserving the world’s biological diversity, ensuring that the use of renewable natural resources is sustainable, and promoting the reduction of pollution and wasteful consumption. http://www.panda.org

Mar 2024 - Present

Finance Director

Zeist, Utrecht, Netherlands

The finance department is responsible for strategic long-term financial planning and control of the organisation, financial accounting under Dutch GAAP RJ 650, external reporting, HR- and salary administration, as well as project control and financial monitoring of worldwide WWF conservation projects, organisational and operational risk management, annual income EUR 75m. WWF Netherlands a non-profit organization and has a ANBI status (Public Benefit Institution).Responsibilities:• leading the Finance team of 15: 1 Financial Controller, 7 Business Controllers, 1 Financial Accountant and 5 (HR) Accounting Assistants, 1 fiscal accountant,• steering group lead integrated data approach WWF-NL,• ensure that relevant external and internal stakeholders have timely, correct and complete information for optimal accountability and management, • developing and producing management and steering information on progress towards WWF-NL's strategic goals, • optimization of internal control, aimed at high-quality information and the management and mitigation of risks, • monitoring and signaling developments in the field of internal and external regulations and within the sector (e.g. fundraising), • risk champion: responsible for risk management process and strategy integration, • responsible for the insurance portfolio and tax compliance, • responsible for execution of treasury policy, including the investment portfolio of EUR 40M under WWF strict sustainability criteria, and cash flow management, • ESG: integrating CSRD directive into operations, • MT sparring partner, solicited and unsolicited advice, proactive role in (adjusting) steering to realize WWF-NL's strategy.

Mar 2022 - Feb 2024

Member Of The Management Board

Amsterdam, North Holland, Netherlands

PAiE (www.paie.nl) Netherlands: - providing support and activities for members and students of the five CCAB bodies and CIMA who are resident in The Netherlands, - providing the opportunity to its members to network, make new business contacts and - obtaining guidance on local issues, GAAP, legal and fiscal, - Technical events are organised for the purpose of gaining CPD points, - attending 5 committee meetings annually to plan and organise the events, - moderating events as well as interactive webinars,- discussing budget, CF and continuity plan.

Head Of Finance / Mt Member

Amsterdam Area, Netherlands

Hortus Botanicus Amsterdam is one of the oldest botanical gardens in the world, located in the Plantage district of Amsterdam. Founded in 1638 the Hortus is an independent foundation earning 85% of its revenues through ticket sales, its restaurant and souvenir shop, as well as location based rent for business or private venues and events, next to receiving support of her friends association and subsidies of the city of Amsterdam. Responsible for maintenance of 8 historical monuments and 5 monumental greenhouses on the historical ground the Hortus investigates and educates on the importance of biodiversity for our future. The Hortus is a non-profit organization & cultural ANBI status.Responsibilities and achievements:- within a high degree of macro-economic uncertainty, rolling lockdowns, providing financial leadership navigating organization through COVID-19 pandemic, - leading & professionalizing finance department to highest control level Dutch GAAP,- developing new 5-year strategy, translating to annual financial budgets, implementing KPI's and steering to keep on track,- member steering group Drieklimatenkas 'house of biodiversity', responsible for execution of investment and financing plan, - finance transformation, connecting and coaching teams,- statutory annual accounts & reports Dutch GAAP, cash flow forecasting, contact with external accountant, interim/year end audits,- financial / accounting process optimization and digitization, e.g. POS (RecreateX), purchasing (Elvy) and accounting (Exact Globe),- Member Covid-19 crisis team, implementing safety measurements through online time-slots, leading grant application & fundraising initiatives,- implementation community management of Hortus friends (membership),- sponsor internship 'Dutch GAAP Internal Control' with Windesheim University,- responsible for insurance portfolio 8 monuments and 5 monumental greenhouses,- member of management team, reporting to CEO and supervisory board (RVT).

Sep 2018 - Mar 2022

Finance Director / Board Member

Biddinghuizen

Walibi Holland theme park, vacation village and events grounds for festivals as Lowlands and Defqon.1. With focus on teenagers and young adults Walibi is one of the biggests thrillparks in Europe with attractions and events as Halloween Fright Nights, (www.walibi.nl)- Responsible for finance, legal, ICT & procurement departments, - leading team of 10 and additional staff of seasonal treasury department, - turn strategy to business scenarios, implement rolling forecasts, focus on growth opportunities through visitor and pricing models to increasing volume and EBITDA, - investment plan for decision making new hybrid coaster 'Untamed', successfully launched June 2019, - member of directors' team, leading on financial performance by providing insights behind the numbers, - responsible for financial statements, annual report and contact with external accountant, - reporting to managing director and CFO of French stocklisted holding Compagnie des Alpes.

Sep 2017 - Aug 2018

Regional Financial Controller / Regional Mt Member

Amsterdam Area, Netherlands

London stock-listed Merlin Entertainments is the leading name in location based, family entertainment, 2nd largest operator globally over 100 attractions, 13 hotels & 5 holiday villages in 23 countries & across 4 continents. The company aims to deliver memorable experiences to its more than 60 million visitors worldwide, through its iconic global & local brands, and the commitment & passion of its circa 27,000 employees. ‘Midway’ attractions are high quality, branded, indoor attractions, with a typical 1-2 hour dwell time, located in city centers or resorts. • responsible for multi-entity financial reporting, accounting and control of 12 attractions in 9 countries,• in November 2013 Merlin was first listed at London Stock Exchange, within my role bringing team up to standard, • business analysis: to pursue clear understanding and advise on performance & profitability of each region, supporting existing and new teams for organic EBITDA growth, • providing strategic and operational support to Business Unit Head and local GM’s,• FP&A: contributes to corporate strategy, leads the regional financial planning process, translates to local strategic plan and budgets,• leads and develops the local and regional finance teams, up to 12 FTE's and their teams, including:- recruitment and training of local Finance Managers, - organizing annual European finance conferences,• implementation and maintenance of strong financial controls, conducts internal audits, • statutory accounting & reporting, balance sheet control, IFRS and local GAAPs reconciliations,• taxation: Implementation of Advance Pricing Agreements,• data room of business region's entities information,• member of regional management team, reporting to divisional directors.

Jul 2009 - Aug 2017

Director

Amsterdam, North Holland, Netherlands

Merlin Entertainment Holding Nederland B.V.Board Member / director

Mar 2009 - Aug 2017

Cluster Finance Manager / Mt Member

Amsterdam Area, Netherlands

Companies included: Madame Tussaud's Amsterdam B.V., The Amsterdam Dungeon B.V. and MEG Holding Netherlands B.V.I continued all responsibilites as in the position described at Madame Tussauds Amsterdam B.V. for the extend Cluster business, including:• Restructuring a newly formed Cluster Finance team leading 7 FTE's,• Leading towards synergy effects (increased revenue and saving costs) of the newly formed Cluster Business,• Harmonizing and standardizing the finance accounting / admission system and processes.

Jul 2007 - Jun 2009

Finance Manager / Mt Member

Amsterdam Area, Netherlands

• Providing leadership and day-to-day management to the finance department, including recruitment, training, development and succession, team of 6 FTE's,• Preparation of management & Dutch GAAP statutory accounts,• Financial planning, budgeting and forecasting towards successfully reaching financial targets, • Implementation of new accounting system, in time and costs, strong financial controls and maintenance standards,• System and procedure development,• Cash Flow and working capital control,• Treasury management,• Taxation & insurance• Management of external relations and other stakeholders,• Member of Management Team,

Jan 2005 - Jun 2007

General Manager A.I.

Munich Area, Germany

• Leading the senior management team and attraction team of 25 employees,• Health & Safety,• Delivered budgeted EBITDA for attraction,• Daily operations and display quality,• Development of marketing and sales action plan,• Responsible for legal issues.

Jun 2008 - Aug 2008

Financial Controller

Soltau, Lower Saxony, Germany

Heide Park Resort is the largest and most visited resort theme park and extraordinary short break destination in northern Germany with more than 50 attractions and shows (https://www.heide-park.de/en).• Monthly management accounts, CAPEX and cash flow reporting,• provided decision support with analysis on revenues, gross margin, fixed and variable costs,• prepared annual budgets, forecasts and capital planning, managed and communicated effectively and ensured efficient budget control.• Worked close with IT, Operations and HR to ensure smooth and successful implementation of new admission and reporting system, which included user training.

Jan 2003 - Dec 2004

Assistant To The Head Of Organisation

Hamburg Area, Germany

Responsible area: Northern German branches and head office.Organized and coordinated internal IT projects; including i.e. web-based user training for “MS Outlook” on the company’s intranet; optimizing internal processes for financial services.

Jan 2002 - Dec 2002
Team & coworkers

Colleagues at Wereld Natuur Fonds (WWF-NL)

Other employees you can reach at wnf.nl. View company contacts for 231 employees →

4 education records

Tanja Seydlitz education

Leadership Training Platinum Program

Merlin School Of Magic

Activities and Societies: Training on leadership skills, Merlin project in global teams, and mentorship provided by directors from other.

Diplom-Kauffrau, German Equivalent To M.Sc. Of Business Administration, Focus On Controlling, Accounting, Organisation And Management.

Activities and Societies: 1996 | mentor-ship program Vancouver, Canada.

Hotelfachfrau, German Equivalent To Hotel Management Assistant., Rotation Training At Hotel School And Hotel, Hotelfachfrau & Anerkannte Beraterin Für Deutschen Wein

Activities and Societies: http://www.deutscheweine.de, Wines of Germany, http://www.germanwines.de. Outline of the wine country Germany.

FAQ

Frequently asked questions about Tanja Seydlitz

Quick answers generated from the profile data available on this page.

What company does Tanja Seydlitz work for?

Tanja Seydlitz works for Wereld Natuur Fonds (WWF-NL).

What is Tanja Seydlitz's role at Wereld Natuur Fonds (WWF-NL)?

Tanja Seydlitz is listed as Chief Financial Officer at Wereld Natuur Fonds (WWF-NL).

What is Tanja Seydlitz's email address?

AeroLeads has found 1 work email signal at @merlinentertainments.biz for Tanja Seydlitz at Wereld Natuur Fonds (WWF-NL).

Where is Tanja Seydlitz based?

Tanja Seydlitz is based in Amsterdam, North Holland, Netherlands while working with Wereld Natuur Fonds (WWF-NL).

What companies has Tanja Seydlitz worked for?

Tanja Seydlitz has worked for Wereld Natuur Fonds (Wwf-Nl), Wwf-Netherlands (Wereld Natuur Fonds), Professional Accountants In Europe (Netherlands), Hortus Botanicus Amsterdam, and Walibi Holland.

Who are Tanja Seydlitz's colleagues at Wereld Natuur Fonds (WWF-NL)?

Tanja Seydlitz's colleagues at Wereld Natuur Fonds (WWF-NL) include Saskia Van Den Berg, Nahira Lourens, Tjerk Bieringa, Janneke Stovers, and Johan De Ruiter.

How can I contact Tanja Seydlitz?

You can use AeroLeads to view verified contact signals for Tanja Seydlitz at Wereld Natuur Fonds (WWF-NL), including work email, phone, and LinkedIn data when available.

What schools did Tanja Seydlitz attend?

Tanja Seydlitz holds Fcma, Cgma, Accounting And Business/Management from Chartered Institute Of Management Accountants (Cima).

What skills is Tanja Seydlitz known for?

Tanja Seydlitz is listed with skills including Budgets, Forecasting, Management, Accounting, Financial Audits, Finance, Financial Reporting, and Cash Flow.

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