Our mission

Sympheny empowers the planners and managers of buildings & local areas to drive the global energy transition. Our unique combination of digital twin technology and intelligent algorithms allows us to provide for the new knowledge needs of energy planners, facility managers and site owners in the
emerging energy landscape.

The energy transition is global, and so is Sympheny. We aim to support energy planners and energy managers in different countries and contexts around this world. This means providing software that is globally scalable and locally adaptable.

Our history

Sympheny was founded in April 2020 as a spinoff of the Urban Energy Systems Laboratory at Empa, an institute of the ETH Domain.

Sympheny’s core technologies in multi-energy systems optimization and analytics were developed and validated in various research projects carried out at Empa and ETH Zürich over a period of 7 years. Our continued partnership with Empa and ETH Zürich in these areas gives Sympheny an exceptional innovation capacity which enables us to deliver market-leading products and unique value to our customers.

Sympheny’s 4 cofounders – Andrew Bollinger, Matthias Sulzer, Boran Morvaj and Julien Marquant – are former colleagues at Empa with complementary specialties in data science, simulation and energy planning. Our team combines deep knowledge of Sympheny’s underlying technologies with energy sector & business development expertise and startup experience.

Our team

Alice Chevrier

Project & Sales Engineer

Alice is a building systems expert with a background in civil engineering and previous experience as a consultant for sustainable buildings at Transsolar.

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Andrew Bollinger

COO & Co-founder

Andrew is an energy sector expert with a PhD in energy optimization and many years of experience working at the intersection of research & practice in the energy sector.

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Bo Vandersteene

Senior Frontend Developer

Bo has a degree in Computer Science and is completing a master in Geographic Information Systems. She has extensive experience in Frontend Development with firms such as Colruyt Group, Verb Tech, Pix4D.

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Charles Dabadie

Principal Backend Software Developer

Charles obtained his masters in computer science, applied maths and aerospace engineering in France and the US, visiting researcher at UC Berkeley, and with extensive international experience as a backend software engineer.

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Franziska Steidle-Sailer

CEO

Franziska is an experienced energy manager. She holds an MBA from the University of St. Gallen, Switzerland. Franziska was formerly business development manager at ewz, Elektrizitätswerke der Stadt Zürich, and strategic market development manager at AQUON, a Swiss startup focused on green hydrogen energy systems.

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Julien Marquant

CPTO & Co-founder

Julien is an energy expert with a PhD in energy optimization and previous experience as a project manager at the International Renewable Energy Agency.

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Matthias Sulzer

Co-founder & President of the Board of Directors

Matthias is an energy sector expert, a professor and a former energy planner who previously founded his own engineering company and brought it to the stock market.

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Shanshan Hsieh

Business Developer & Energy Simulation Engineer

Shanshan is an expert in urban energy systems with a PhD in energy optimization. She enjoys interdisciplinary and intercultural dialogues on energy planning and has experience across temperate and tropical climate regions.

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Youssef Sherif

Senior Software Development Engineer, Modelling and Optimization

Youssef is a software engineer and energy optimization expert, with MSc from ETHZ in Energy Systems & Technology. He is currently completing his AWS certification as professional Solutions Architect.

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Our advisors

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Make an impact with us

At Sympheny, we believe digitalization plays a key role in overcoming climate change by making cities more sustainable. To reach our goals, we are constantly looking for passionate and talented people to join our team and help evolve urban energy planning together.

See open positions

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