Senior management

Claude Arnaud

Over the course of his career, Claude Arnaud held many senior posts within the Veolia Group up to 2015. After serving successively as Director of Research and then Deputy Regional Manager for the Mediterranean region with Veolia Transport, in 2011 he was appointed to the Development France Department of Veolia Transdev as Development Director. Over his 40 years of experience, he has acquired extensive skills in the fields of water, energy and transport. Claude Arnaud has chaired Efficacity since its founding in 2013.

Michel Salem-Sermanet
Chief Executive Officer

Michel Salem-Sermanet is a graduate of the Ecole Polytechnique (1989) and ENPC (1992). He held a range of operational region (transport, housing, development planning, environment), in the minister’s private office and within local authorities. He also worked for institutions providing financing for urban projects in developing countries (World Bank, French development agency AFD). In 2006, he moved to London for three years to work with the Greater London Authority on urban development around the 2012 Olympic site. On his return to France, he was appointed to the post of operational Deputy General Manager of the Yvelines General Council, before becoming Deputy General Manager of the Marne-la-Vallée urban development agency EPAMARNE, where he spearheaded an ambitious urban innovation policy. In May 2014, he was appointed CEO of the newly created Efficacity Institute.

Antoine Daval
Research Programmes Director

Antoine Daval is an energy and environment engineer (INSA Lyon), and holds a joint French and Chinese Master’s degree in International Environmental Management awarded by the Ecole des Mines in Paris and Tsinghua University. He has acquired wide-ranging experience covering many aspects of sustainable urban development: deployment of life cycle assessment tools in Latin America (UNEP-SETAC), development of new recovery routes in sanitation processes (SUEZ Environnement), developing the sustainable city offering with Artelia, beginning in China in 2009 and then in France and internationally. In 2013, he took over responsibility for innovation for the sustainable and digital city and acts as project manager for Artelia on the La Réunion Ecocity project.

Jean-Baptiste de Bercegol
General Secretary

Jean-Baptiste de Bercegol is responsible for the Institute’s administrative, financial, human resources and communication management. During his four years’ experience with innovation consultancy firm D&Consultants, Jean-Baptiste was involved in the establishment of several public and public/private research centres. After graduating from the Institut d’Etudes Politiques de Toulouse (Sciences Po Toulouse), Jean-Baptiste went on to gain a Master’s degree in Economics at the Institut d’Etudes Européennes (IEE) in Brussels.

Project management

André Pény
Co-manager, "Hub station" project

André Peny is a senior expert in the field of urban mobility and its developments: a registered (DPLG) architect by education, his experience covers the entire range of transport engineering disciplines and research. He is a specialist in projects dealing with the relations between transport and planning, with station design and with energy efficiency of transport systems. He began his career at RATP, working on the architectural design of various station and building projects before heading the Forward Studies Unit in RATP’s Development Department. He went on to hold several positions at the Ministry of Transport, including head of the Transport Research and Innovation Mission responsible for the PREDIT national research programme. Now back at RATP, he manages a portfolio of innovation initiatives, teaches at the Paris-Belleville architecture school and co-manages the “Hub station” project.

Frédéric Bourquin
Co-manager, "Hub station" project

Frédéric Bourquin qualified as an Ingénieur Général des Ponts, des Eaux et Forêts, and is graduated of Ecole Polytechnique (1984) and Ecole Nationale des Ponts et Chaussées (1987). He holds a Doctorate in Applied Mathematics (1991) and an accreditation to supervise research (HDR). He heads the Components and Systems Department (280 people) at IFSTTAR and has a particular interest in technological innovation and in support to SMEs. His areas of research include inverse methods for energy diagnostics, structure inspection, water networks monitoring and modelling, bridge scouring detection and digital simulation of nano-sensors in civil engineering. He promoted the submission of the Equipex Sense-City project and supports the 5th Generation Road programme. He participates in the work of European technology platforms and associations in charge of transport infrastructure (FERHL, ECTP). He acts as the lead expert for the IRT Railenium instrumentation programme and is involved in ecotechnology governance at the Advancity competitiveness cluster. Frédéric Bourquin co-manages the “Hub station” project at Efficacity.

Christophe Gobin
Co-manager, "Urban Building" project

Christophe Gobin is a qualified engineer (ESTP). He graduated of the Centre des Hautes Études en Construction and he holds a Doctorate in Economic Sciences. As a specialist in construction innovation, he has worked in a number of different Vinci entities, developing industrial-scale construction products and innovative project methodologies. He has been the driving force behind a number of progress initiatives (ParisTech-Vinci Chair of EcoDesign, Institut de Recherche en Constructibilité, functional economics). As a scientific adviser for Vinci Construction France, he serves on entities such as Advancity, EGF/BTP‎ and FNTP as an advocate of economic approaches at the urban scale. Christophe Gobin is co-manager of the “Urban Building” project.

Armelle Langlois
Co-manager, "Urban Building" project

Armelle Langlois is a qualified engineer (ESTP) and architect (ESA). Over a 15-year career, she has acquired wide-ranging experience (design office and operations monitoring, in both national and international frameworks), coupled with methodological rigour and autonomy. She has used her knowledge to create technical and economic architectural solutions for complex environments in a number of fields: research, operation structuring and monitoring. She now puts that expertise to work for Vinci Construction France, developing innovative and differentiating solutions. Armelle Langlois co-manages the “Urban Building” project.

Patricia Bonneau
Co-manager, " Urban Waste Heat Recovery " project

Patricia Bonneau holds a Doctorate from the University of Bordeaux, awarded in 1991. She went on to work for the R&D Division of EDF, where she held a number of positions as project manager in the field of industrial applications of electricity. In 2002, she joined EDF’s Energy in Buildings & Territories (EnerBAT) Division, heading a research group on energy efficiency in the residential sector then afterwards in the tertiary sector. After spending nine years managing teams, she then returned to research in her own right, working on energy efficiency in urban projects. As part of this direction change, she enrolled at the Institut d’Urbanisme de Paris for further training. At the end of 2012, she was awarded a Master 2 degree in Urban Development and Planning on urban projects management. Patricia Bonneau now co-manages the “Unavoidable Urban Energy” project.

Peter Riederer
Co-manager, " Urban Waste Heat Recovery " and "Decentralised energy production" projects

Peter Riederer is currently an Engineer/Project Manager at CSTB. He holds a Dipl. Ing. in Mechanical Engineering from the University of Stuttgart and a Doctorate in Energetics (ENSMP/Dresden University, Germany). He has 15 years of professional experience in the fields of energy management, regulation and renewable energy systems. He coordinates and contributes to projects involving dynamic energy modelling/simulation at building and district level, in situ monitoring of RE systems and semi-virtual laboratories for the dynamic real-life testing of energy systems. As an expert in energetics simulation, Peter Riederer heads the development of Efficcity’s district-scale energetics simulation platform.

Pierre Picard
Co-manager, "Decentralised energy production" project

Pierre Picard graduated from INSA Strasbourg in Climate and Energy Engineering in 1982 and holds a Ph.D. from Colorado State University. He worked in a number of fields at Gaz de France: research, heating operations subsidiary, information centre for building professionals (Cegibat). In 2009, he moved to CRIGEN (Engie’s gas and RE research and innovation centre), where he acts as an expert adviser to new products for the residential/tertiary sector projects (heat pumps, co-generators, photovoltaic) and new energy retrofitting services. Pierre Picard is co-manager of the “Decentralised energy production” project.

Cristina Valean
Co-manager, "LCA and urban project evaluation" project

Cristina Valean is an engineer holding a Doctorate in Energetics. She heads the Energy Department of TPFi, a co-creative engineering firm, and co-manages the “Urban-scale LCA and urban project evaluation” research programme for Efficacity. Using her multidisciplinary skills she assists public and private actors in the process of energy and environmental transition, offering innovative and sustainable solutions. Her expertise was acquired by implementing innovative structural energy systems at district or territory scale, based on a combined technical, legal and economic approach. Cristina Valean co-manages the “LCA and urban project evaluation” project.

Bruno Peuportier
Co-manager, "LCA and urban project evaluation" project

Bruno Peuportier is an engineer and graduate of Ecole Centrale (1980), he holds a PhD of the University of Paris VI and holds an accreditation to supervise research (HDR). He now researches and lectures at the Energy Efficiency of Systems Centre at MINES ParisTech, and he heads the ParisTech Chair in Eco-design of Built Structures and Infrastructure. He also heads the Eco and Thermal Building Design research group on themes including eco-design and thermal design of buildings, thermal science of buildings, experimental energies and monitoring. He is a Professor at Ecole des Ponts ParisTech (building energetics). He is the author of several works, including “Eco-conception des bâtiments et des quartiers” (Presses de l’Ecole des Mines), and co-ordinator of “Eco-conception des ensembles bâtis et des infrastructures” and “Livre blanc sur les recherches en énergétique des bâtiments” (Presses de l’Ecole des Mines). He also co-ordinates the development of COMFIE (dynamic thermal simulation) and novaEQUER (building and district LCA) software. Bruno Peuportier is co-manager of the “LCA and urban project evaluation” project.

Jacques Lefort
Co-manager, "Innovative economic models" project

Jacques Lefort is a civil and public works engineer by education. He began his career working on major infrastructure projects in France and China for the Spie Batignolles and Eiffage groups, before becoming involved in the bidding process for motorway concessions. He then transferred his experience of complex contractual negotiations to Dalkia France, taking part in competitive build, finance and operate bids for major sites. He is currently assigned by Dalkia to work with the authorities on issues relating to the effective use of decentralised energy. Jacques Lefort is co-manager of the “Innovative economic models” project.

Olivier Bonin
Co-manager, "Innovative economic models" project

Olivier Bonin is an engineer graduated from Ecole des Ponts, des Eaux et des Forêts. He holds a Doctorate in Mathematics and is also a geographer. After working as a researcher at COGIT, the IGN research laboratory, he moved to the Urban Mobility Transport Laboratory (LVMT UMR T 9403, a joint research centre operated by IFSTTAR, Ponts ParisTech and Paris-Est Marne-la-Vallée University), as its deputy director. His work focuses on urban modelling, with special emphasis on morphogenesis, and on the design and evaluation of sustainable urban development scenarios.

Cross-disciplinary experts

Olivier Dennery
Head of IT Development

Olivier Dennery past a first degree in physics from Orsay University and graduated as an engineer from ENSTA (1983). As information systems architect for IBM France, he contributed to major IT projects in the fields of transport, electricity, banking, automotive, etc. He is also a consultant on corporate architecture and information systems governance. Olivier Dennery is head of IT Development for Efficacity’s software resources.

Lionel Cauchard
"Evaluation and certification" expert

Lionel Cauchard holds a doctorate in innovation sociology, sciences and techniques from Paris-Est Marne-la-Vallée University, where he won the 2011 COMUE Paris-Est prize for best thesis. He has a background of 10 years research into public policy and evaluation, standardization and certification systems in the fields of construction and planning, primarily with Certivea and ENPC. He joined Efficacity in 2014, and is responsible for developing the multicriteria grid of performance indicators for urban and territory projects.

Julien Hans
"Energy and environment" expert

A graduate of ENS Cachan, Julien Hans is deputy director in charge of research at CSTB’s Energy and Environment Department. He manages R&D projects for CSTB’s Energy and Environment scientific priority. He is responsible for defining strategic guidelines, for the doctoral programme, and for the selection and monitoring of research projects through completion. He has led a number of national and international research projects, and headed development of the ELODIE software. He lectures at Joseph Fourier University, ESTP, the Grenoble school of architecture, ENS Cachan, CSTB, etc.

Fabien Leurent
"Mobility" expert

Fabien Leurent is qualified as an Ingénieur en chef du Corps des Ponts, des Eaux et Forêts and holds research supervisor accreditation (HDR) in IT-Operational research. His main focus of interest is the physical and economic modelling of transport networks and territorial systems. As deputy director of the Urban Mobility Transport laboratory, a joint research centre operated by ENPC, IFSTTAR, and UPEM, Fabien Leurent heads the Economics-Modelling team. He heads two industrial chairs, one in partnership with the Syndicat des Transports d’Ile de France transport authority and the second with Vinci Group on the Eco-design of Built Structures and Infrastructure. He also teaches modelling and systemic analysis for territories and transport systems at Ecole des Ponts ParisTech.

Michel de Lara
"Optimisation" Expert

Michel de Lara is qualified as an Ingénieur Général des Ponts, des Eaux et Forêts, and graduated of the Ecole Polytechnique (1984) and of ENPC (1987). Holder of a Doctorate in Applied Mathematics (1991) and research supervisor accreditation (HDR) (2000), he is a researcher in applied mathematics at the Cermics mathematics research centre at the Ecole des Ponts ParisTech. His work focuses on control theory, stochastic optimisation and their applications. Michel de Lara works on the optimisation of energy systems in collaboration with both major groups (EDF, RTE) and SMEs (Artelys, SETEC Energy Solutions, Sun’R Smart Energy). He heads Efficacity’s cross-disciplinary approach to optimization.

Jean Laterrasse
"Territorial development and mobility" expert

Jean Laterrasse is Emeritus Professor at Paris Est University. A graduate of ENS Cachan, holder of a doctorate and appointed to the CNRS in 1970, he spent the first part of his career as a researcher at ENS Cachan, and then at Ecole Centrale Paris. He served as scientific adviser to the French Ministry of Infrastructure from 1997 to 2000, and in 2000 was appointed professor at Marne-le-Vallée University, and then Scientific Director of the national transport and safety research institute (INRETS, now IFSTTAR). He gave up this position in 2004 to concentrate on setting up the “Ville, Mobilité, Transport” laboratory, which he headed until 2013. As well as being honoured for his academic achievements (Ordre des Palmes Académiques), he also served from 2007 to 2013 as deputy chairman of the ANR “Sustainable Buildings and Cities” programme. At Efficacity, he is the territorial development and mobility advisor.