About Cellnex Poland

The professionals who make up the Cellnex team have extensive experience and capability at the service of our customers and the goals we share. Responding to and delivering on those expectations is a central element of our mission. The team is headed by a group of people committed to forging an expanding business project with a growing global presence and a leadership role in the telecommunications infrastructure sector.

Chief Executive Officer, Cellnex Poland

Santiago Argelich Hesse

Santiago Argelich Hesse joined Cellnex at the beginning of 2018 as Senior Advisor UK and CEE Business Development and, shortly after, was promoted to Global Business Development and Country Coordination Director, responsible for leading Cellnex's business development rally across Europe. His role was to scout and negotiate telecom infrastructure acquisitions across Europe (Spain, France, Italy, Switzerland, Netherlands, Portugal, Ireland, UK, Finland, Denmark, Sweden and finally Poland) and steer the business governance across all subsidiaries. Since 1995, Santiago has been involved... [+] in the telecommunications and digital sectors, holding various executive and independent board member roles at international groups in France, UK, Spain, Andorra, Algeria and Ukraine. He holds a master's degree in industrial engineering from the Polytechnical University of Catalunya. He is a certified company director by The Institute of Directors and completed postgraduate studies in international strategy at the London School of Economics and Political Science.

Chief Executive Officer, Cellnex Poland

Santiago Argelich Hesse

Commercial Director, Cellnex Poland

Servando Sierra Marti

Executive with more than 15 years of international experience across Europe in creating and implementing new business strategy (based on business growth, risk and cost control), project and restructuring management, building and motivating teams in telecommunication, construction, logistic and energy sectors. Before joining Cellnex he used to hold Board positions in Polaqua and Dragados. Servando holds a Master Degree of Civil Engineering from the Technical University of Madrid (Universidad Politécnica de Madrid) and completed a Management Development Program (PDD) at... [+] the IESE Business School.

Commercial Director, Cellnex Poland

Servando Sierra Marti

People Director, Cellnex Poland

Małgorzata Prasał

Małgorzata has 23 years of experience in HR strategy, M&A, integration, change & talent management and organizational development. She gained her experience in financial sector (Nordea Bank, Alior Bank, Bank BPH), manufacturing & engineering (GE, ABB) as well as chemical and gas production industry (Air Products).

People Director, Cellnex Poland

Małgorzata Prasał

Operations Director

Leszek Lis

Manager with nearly 30 years of experience in the development and optimization of telecommunications networks. Recently, he worked as Vice-President of Operations at TP Teltech (Orange Group), and before that, for 9 years, he was a Technical Board Member at NetWorkS!. He graduated from Warsaw School of Economics, Warsaw University of Technology, University of Minnesota and INSEAD.

Operations Director

Leszek Lis

Business Transformation and External Relations Director

Jacek Niewęgłowski

Jacek Niewęgłowski has over 25 years of executive and professional experience within the mobile industry. From 2005 until 2019 he held the position of Chief Strategy Officer of Play. Prior to Play he served in executive positions with numerous Polish fixed line and cable TV operators. Until 2000 he served as Network Development Director of Era GSM, where he was responsible for network design, engineering and operations. He started his carrier in corporate research and development department of Nokia in... [+] Finland where as a project manager he led the development of multimedia services for mobile networks. He also represented Nokia in international standardization activities of ITU standardization activities as well as during creation of the MPEG-4 standard. Jacek received an MBA degree from London Business School, a PhD from Tampere University of Technology in Finland.

Business Transformation and External Relations Director

Jacek Niewęgłowski

Head of Legal and Regulatory Affairs

Ewa Derkacz-Smolna

Ewa Derkacz-Smolna has been Head of Legal and Regulatory Affairs of Cellnex Poland since July 2021, when she joined the Cellnex Group. Ewa is in charge of all legal, compliance and regulatory matters in Poland. She is a seasoned M&A, corporate and commercial lawyer, with more than 15 years of professional carrier in international law offices (CMS and PwC) and with MNO inhouse lawyer experience accrued as a member of Play’s legal team. Ewa is a legal adviser and graduate... [+] of the Law and Administration Faculty at Warsaw University and of the Centre for European Legal Studies of the Law Faculty of the University of Cambridge.

Head of Legal and Regulatory Affairs

Ewa Derkacz-Smolna

Financial Affairs Director

Aleksander Skołożyński

Experienced CFO, who worked in investment banking and consulting before moving to the business side. He has collaborated or played a key role in transactions with a total value of more than €10 billion. His extensive experience in the TMT sector (including infrastructure) involves working with companies such as Play, Netia and Naspers, as well as managing Emitel as CFO and Member of The Board.

Financial Affairs Director

Aleksander Skołożyński