Jano Sum, Owner & CEO at Green Future Ltd

Jano Sum

Owner & CEO at Green Future Ltd | Hungary

Profile last verified September 2026
Management Consulting Verified Profile Hungary Educational Centre of the Chamber of Hungarian Auditors
Verified

Personal Email

***@gmail.com

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Phone Number

+36*****

Hungary • Mobile

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Jano Sum serves as Owner & CEO at Green Future Ltd, where he directs initiatives in energy business development, renewables, energy trading, and energy efficiency. His executive background includes a tenure as Deputy CEO at MVM before establishing his current venture in the Hungarian management consulting sector. He builds upon these strategic roles with specialized training from the Educational Centre of the Chamber of Hungarian Auditors.

BEST APPROACH TO REACH Jano Sum

Given the stronger data confidence for personal contact methods, initiate outreach via personal email with a tailored message highlighting your firm’s renewable energy or consulting expertise and request a brief introductory conversation.

Jano Sum Socials
Jano Sum Work Experience

Owner & CEO at Green Future Ltd in November 2023 - Present

Head of energy division at MultiContact Consulting Kft. in April 2024 - June 2024

Chief Commercial Officer at MVM in November 2022 - November 2023

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Chief Business Development Officer at MVM in September 2021 - December 2022

Chief Financial Officer at MVM Hungarian Electricity Ltd. in August 2018 - August 2021

Chief Financial Officer at NKM National Utilities Ltd. / Nemzeti Közművek in November 2016 - August 2018

Strategy Director at MVM Hungarian Electricity Ltd. in August 2016 - October 2016

Head of Controlling Department at MVM Hungarian Electricity Ltd. in July 2014 - July 2016

Chief Financial Officer at MAVIR Hungarian Transmission Operator Co. in February 2013 - June 2014

Head of Financial Planning and Controlling at MAVIR Hungarian Transmission Operator Co. in March 2012 - February 2013

Audit Manager at EY in October 2010 - February 2012

Audit Senior at EY in October 2006 - September 2010

Audit Assistant at EY in September 2004 - September 2006

Jano Sum Education

Educational Centre of the Chamber of Hungarian Auditors, October 2026

Budapest Business School College of Finance and Accountancy, October 2026

Jano Sum Skills
Sales Management Business Solution IFRS Big 4 External Audit Auditing Internal Controls Financial Accounting Accounting Consolidation Corporate Finance Finance Financial Analysis Financial Audits Financial Reporting Forensic Analysis Internal Audit Management Managerial Finance Strategic Financial Planning US GAAP Sarbanes-Oxley Act Energy Renewable Energy Energy Efficiency Energy Industry Energy Markets Business Strategy Business Development Business Analysis Strategic Planning Team Leadership
About Jano Sum’s Current Company
Jano Sum’s Colleagues
Santosh G

Santosh G

Bengaluru, Karnataka, India

UN FFD4 I UNGA80 I AM25 World Bank Group/ IMF I WSSD I International Trade | GBS | Indian Diaspora | $10B+ Investment | Digital Transformation | Empowering MSMEs | Food Systems (GIFT) I Cooperative Development I HRM & OD

As a founder of the Global Council for the Promotion of International Trade (GCPIT), my role is instrumental in shaping the organization's mission and vision. GCPIT serves as a global platform for promoting international trade and fostering economic cooperation among nations. ...

Sein-way Tan

Sein-way Tan

Greater Sydney Area

Chairman & CEO of GREEN WORLD CITY / Keynote Speaker / Senior Advisor / Board Member

Focus Capital team of consultants, researchers and analysts constantly search worldwide for trends and opportunities to maximise our and our partners' return on investment. Our interests range from Real Estate, Information Technology, Clean Technology and Renewable Energy.

Belinda Bramley

Belinda Bramley

Oxford, England, United Kingdom

Co-Founder The Protected Areas Foundation | Blue economy consultant | Trustee

I am an independent consultant focused on building the enabling conditions for enduring marine protection and a regenerative and more inclusive blue economy.

Currently I co-lead stakeholder engagement for the MPA Europe project, which is mapping the optimal locations for mar...

Syed Mubarak

Syed Mubarak

Singapore

Empowering a Sustainable Future: Bridging Technology and Stakeholder Synergy to Achieve Net Zero

Sustainability Committee Chair at ASHRAE Macao Chapter
(Jul 2020 – Present)

Pankaj Goel

Pankaj Goel

Delhi, India

Director Green Future Windows Pvt. Ltd.

Manufacturing and fabrication of UPVC Doors & Windows in association with German partner Aluplast at Green Future Windows Pvt. Ltd.
(Jul 2010 – Present)

Christopher Carelsen

Christopher Carelsen

City of Johannesburg, Gauteng, South Africa

CO2 and Natural Refrigerants Specialist

CO2 and natural refrigerants specialist at Future Green Now (Pty) Ltd
(Jan 2021 – Present)

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Frequently asked questions about Jano Sum

What is Jano Sum email address?

Email Jano Sum at [email protected] and [email protected]. This email is the most updated Jano Sum's email found in 2026.

What is Jano Sum phone number?

Jano Sum phone number is +36303722805.

How to contact Jano Sum?

To contact Jano Sum send an email to [email protected] or [email protected]. If you want to call Jano Sum try calling on +36303722805. (updated on December 22, 2025)

What company does Jano Sum work for?

Jano Sum works for Green Future Ltd.

What is Jano Sum's role at Green Future Ltd?

Jano Sum is Owner & CEO

What industry does Jano Sum work in?

Jano Sum works in the Management Consulting industry.

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