Jan Heinzelmann
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Jan Heinzelmann Email & Phone Number

Chief Financial and Operations Officer at ENERGYNEST at ENERGYNEST
Location: Greater Hamburg Area, Germany 9 work roles 4 schools
1 work email found @energy-nest.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Role
Chief Financial and Operations Officer at ENERGYNEST
Location
Greater Hamburg Area, Germany

Who is Jan Heinzelmann? Overview

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Jan Heinzelmann is listed as Chief Financial and Operations Officer at ENERGYNEST at ENERGYNEST, based in Greater Hamburg Area, Germany. AeroLeads shows a work email signal at energy-nest.com and a matched LinkedIn profile for Jan Heinzelmann.

Jan Heinzelmann previously worked as Chief Financial and Operations Officer at Energynest and CFO at Energynest. Jan Heinzelmann holds Executive Education M&As And Corporate Strategy from Insead.

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Email format at ENERGYNEST

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*@energy-nest.com
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Profile bio

About Jan Heinzelmann

Senior Finance and Operational Professional with a proven track record of value generation and change management in international environments, including Private Equity settings. Confident leader and high performer, able to motivate and develop team performance to exceed expectations. Key Skills: Defining+building and executing business strategies, Private equity, Managerial and Financial Accounting and Reporting (IFRS and HGB), Strategic Planning and Budgeting, Change Management and Process Improvement, Digitalisation, Operational Excellence, Finance Business Partnering, Merger and Due Diligence, PMI, International Project Management, Tax and Cash ManagementLeadership: Certified Business Mediator and Agile Leader with 15+ years of multi-national people management experience. Ability to connect with and motivate people from diverse backgrounds. Strong team player and leader, emphasising continual improvement. Industries: Energy, Renewables & Storage, Engineering, Inspection and Commercial Shipping within multinational and medium-sized companies

Listed skills include Financial Analysis, Forecasting, Ifrs, Budgets, and 20 others.

Current workplace

Jan Heinzelmann's current company

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ENERGYNEST
Energynest
Chief Financial and Operations Officer at ENERGYNEST
AeroLeads page
9 roles

Jan Heinzelmann work experience

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

Chief Financial And Operations Officer

Current

Billingstad, No

We power the energy transition of industry for a net-zero world: Reduce carbon emissions and increase security of supply by capturing, storing and supplying clean energy on demand. Our ThermalBattery delivers attractive returns by: Reducing plant operating costs, creating new revenue streams, and enabling 24/7 renewable energy supply.

Aug 2022 - Present

Cfo

Billingstad, No

Secured a €110m transaction with Infracapital, the infrastructure equity investment arm of the FTSE 100 listed M&G plc for growing an energy infrastructure business around thermal energy storage.

Aug 2020 - Jul 2022

Head Of Finance & Commercial Operations Customer Solutions Germany

Fredericia, Skærbæk, Dk

- Regional turnover and P&L responsibility for German Sales B2B unit, €0.5bn turnover, 8 direct reports - Reported to General Manager and Business Area CFO in Denmark - General Management position (with Power of Attorney, “Prokura”) for Finance and Commercial Operations to develop and execute strategies to drive growth and profitability within the product offering (Commodities, PPAs, Certificates, Asset Solutions & Ancillary Services) - Ran local finance and commercial operations, business planning, risk and tax management in close coordination with shared functions - Ensured operational excellence in the day-to-day operations (managing product and service mix, pricing and margins according to targets, whilst improving CtS, CtA and CtD metrics).- Safeguarded market access to energy markets for trading power, gas and certificates with the purpose to generate profits by taking positions within defined risk mandates and limits- Implemented key financial controls to ensure financial stewardship and compliance in accordance with ØMS and local statutory regulation- Main projects/change management programmes: 1. Integration of Commodity Sales & Trading activities from closed Leipzig office (€1bn+ turnover, 44 TWh sales volume, 40 employees) to Hamburg and Shared Service Structures in Denmark and Poland (SAP + ENDUR process and system integration) in 2016/172. Led organisational transformation programme (2018): Digitalisation of the transactional driven OTC commodity business, whilst building up new product area Ancillary Services (Flexibility, DRM) and Asset Solutions (build-up of Energy-as-a-Service, EaaS) 3. Development and enhancement of Sales and Commercial processes, whilst introducing new CRM (Salesforce) system in 2018/19

Apr 2016 - Jul 2020

Finance Manager Global Shared Services Central Europe

Høvik, Oslo, No

- Performed dual roles in the post-merger integration phase after DNV and GL merged to form DNVGL in September 2013:1. Global Shared Services (GSS) Finance Manager (for Central Europe),2. Head of GL Subsidiary Accounting (for 160+ worldwide Maritime and Oil&Gas legal entities within GL Group) - Reported to the Global FD Maritime & Regional FD GSS- Governed personal and professional leadership of 7 controllers in Hamburg and 28 accountants within Region Europe & Middle East- Supported the financial integration of GL Group to the DNV GL Group by implementing global standardized processes, accounting policies and Shared Services Structures - Led the global harmonization and standardization projects for Central Europe region: 1. Rollout of the NGF (Next Generation Finance ERP system, Oracle), 2. Execution of LEEP (Legal entity consolidation), 3. Supporting the HR Compensation & Benefits project, 4. Contributing in the DNVGL office consolidation - Led the global transformation project “Decentralisation” with the purpose to transfer centrally performed GL Group Finance activities to in-country finance personnel within the GSS regions: Involvement with 70+ countries with the objective to drive increased local Finance ownership and the realization of process framework efficiencies.

Jan 2014 - Mar 2016

Head Of Maritime Subsidiary Controlling

Hamburg, De

- Led the financial accounting and controlling for the worldwide Maritime Subsidiaries (75+ legal entities) within GL Group- Consolidated group-wide monthly and yearly Maritime Subsidiaries’ financial statements according to IFRS and HGB- Enhanced the continuous development of accounting policies and directives; the IFRS monthly reporting packages (SAP BOFC) and further improvements to the closing process- Management supervision and financial support to international units

Aug 2011 - Dec 2013

Head Of Finance & Controlling

Appen Group

- Financial planning, controlling and accounting for the Group:Schiffahrtsgesellschaft Detlef von Appen mbH (worldwide bulk ship operator), AppenCapital GmbH & Co.KG (issuing house for closed-end investment funds) and AppenCarriers GmbH & Co.KG (shipping company with 6 container feeder vessels (1,500 TEU each))- Led the reporting, budget planning, liquidity management (including forex), year-end closings and short- and middle-term cash planning - Executed comprehensive restructuring concepts including: cancellation of contingent liabilities, capital increases and debt–to–equity–swaps- Managed contacts with shareholder groups, banks, auditors, tax consultants, the German tax authorities, analysts and trust companies - Supported management in all commercial concerns regarding the issuing of shipping funds according to the standards of BaFin

Sep 2008 - Jul 2011

Head Of Controlling Germany

Arteixo, A Coruña, Es

- Financial planning and controlling for German apparel retailer chains, ZARA & Massimo Dutti (65+ shops), €0.5bn turnover, 3,500 employees - Reported to Germany’s board and the shareholder INDITEX and OTTO - Positioned as primary interface between the finance department and the rest of the business for all financial topics- Created the annual company budget including investment appraisals- Analyzed monthly business performance against budget and rolling FC- Reviewed continuously the company´s business processes and profit-ability in collaboration with all Sales, HR & operational departments

Sep 2007 - Aug 2008

Business Controller Germany

Arteixo, A Coruña, Es

- Prepared the financial statements (P&L + BS) for IFRS and HGB - Prepared daily, weekly and monthly reports of all the activities of the company (sales, worked hours, cash-flow, productivity and investments)- Enhanced the reporting for all the departments of the company by defining financial ratios/KPI´s for the shops

Oct 2006 - Aug 2007

Trainee

Hamburg, Hamburg, De

Study in the private university FH Nordakademie in Elmshorn, GermanyMain courses: Controlling and International Management Dual-mode study alternating between theory and practice in cooperation with the company OTTO GmbH & Co. KG, Hamburg

Oct 2002 - Sep 2006
4 education records

Jan Heinzelmann education

Executive Education M&As And Corporate Strategy

Insead

People Skills & Leadership

Zurich International Business School (Zibs)

Master Of Business Administration And Computer Science (Diplom), Controlling And International Management

Fachhochschule Nordakademie Elmshorn

Master Of Business And Computer Science, Financial Management And Accounting, Economic, Financial Policy

Facultad De Ciencias Económicas, Buenos Aires
FAQ

Frequently asked questions about Jan Heinzelmann

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

What company does Jan Heinzelmann work for?

Jan Heinzelmann works for ENERGYNEST.

What is Jan Heinzelmann's role at ENERGYNEST?

Jan Heinzelmann is listed as Chief Financial and Operations Officer at ENERGYNEST at ENERGYNEST.

What is Jan Heinzelmann's email address?

AeroLeads has found 1 work email signal at @energy-nest.com for Jan Heinzelmann at ENERGYNEST.

Where is Jan Heinzelmann based?

Jan Heinzelmann is based in Greater Hamburg Area, Germany while working with ENERGYNEST.

What companies has Jan Heinzelmann worked for?

Jan Heinzelmann has worked for Energynest, Ørsted, Dnv Gl Group, Germanischer Lloyd Group, and Appen Group.

How can I contact Jan Heinzelmann?

You can use AeroLeads to view verified contact signals for Jan Heinzelmann at ENERGYNEST, including work email, phone, and LinkedIn data when available.

What schools did Jan Heinzelmann attend?

Jan Heinzelmann holds Executive Education M&As And Corporate Strategy from Insead.

What skills is Jan Heinzelmann known for?

Jan Heinzelmann is listed with skills including Financial Analysis, Forecasting, Ifrs, Budgets, Change Management, Management, Business Planning, and Finance.

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