Meet our team.

STELIOS ZONTOS

Stelios works in communications since 1994 and he has extensive experience in corporate communication, political relations, quality assessment surveys of public opinion and crisis management.

In 2000, he was director of the office of Minister of Labour, Tassos Giannitsis. From 2001 to 2004 he was director of the political office of the Deputy Foreign Minister, T. Giannitsis.In 2003, during the Greek Presidency of the European Union, he oversaw the communication of the Ministry of Foreign Affairs.

From 2004 to 2011 he worked in the group of Leo Burnett for clients as Johnnie Walker, OTE, Municipality of Athens, Delta Ice Cream, Nikas SA, OPAP, National Bank of Greece, IKEA, WIND and more. In 2011, he became the Chairman of the Board of The Newtons Laboratory SA.

STELIOS ZONTOS

CHRISTOS VALTADOROS

A political scientist by training, Christos includes among his less obvious professional identities those of a music collector, a culinary explorer and an enthusiast photographer.

He has worked in the field of defensive armaments, flown around the world observing electoral procedures in countries with unstable political environment and negotiated international agreements. He is specialist in political communication and political marketing, and a former communication advisor to the prime minister's office.

As of 2009 he is working in the field of strategic corporate communication, focusing on social media, CSR and in particular crisis management. He occasionally deviates from his professional monophony by organizing musical events and counseling restaurateurs. Among his favorite customers are: Piraeus Bank, Aegean, Lidl, IKEA, Wind.

CHRISTOS VALTADOROS

KERRY GOUSIDOU

Kerry is a senior public relations and brand communications professional with 13 years expertise in developing and implementing PR communication strategies including brand and digital PR, awareness and CSR campaigns, sponsorships and celebrity endorsements for leading international brands in the FMCGs, Beauty (L'OREAL, UNILEVER, Sarantis Group), Food (Uncle Ben's, Panas Group, YiannisLucacos), Luxury, Fashion, Telecommunications and Pharmaceutical sector.

She has worked for a number of Corporate and brand coms clients and projects in companies like Ogilvy, LARCO GMMSA, Antenna Group, 1000 heads, NHS Imperial College.

KERRY GOUSIDOU

ELENA RALLI

She started working in 2009 as an Editor in women's media of major publishing groups (DOL, Liberis Publications, Alpha Editions). In 2013, she worked as a Marketing Coordinator in a womenswear & accessories company, while she was an external partner in MR.CO, an event planning company.
In 2015, she entered the communication and public relations sector in V+O Communication for brands in the F&B, Beauty, Fashion, Consumer Electronics and Pharmaceutical sectors. In 2016, she joined Gravity The Newtons.

She holds a BA in Business Administration & Marketing from the Athens University of Economics and Business and a MA in Public Relations & Strategic Communication from the American College of Greece, Deree.

ELENA RALLI

MIRSINI MAROULI

Mirsini is a seasoned public relations and corporate communications professional with a 10 years’ experience in developing and implementing PR communication strategies for leading international brands in the Health, Finance, Telecommunications, Beauty and Retail sectors. She has a wide experience in brand and corporate PR, CSR and Awareness Campaigns, Events Management, Media Relations, Digital PR, Crisis Management and Internal PR.
She holds a Bachelor’s Degree in Communications with specialization in Public Relations from the Americal College of Greece, the Deree College. She speaks English.

MIRSINI MAROULI

ANGELA MARTIDOU

Angela started her career in 2014; she worked for two years at Asset Ogilvy Public Relations for clients, such as OTE, HSBC, TEVA Pharmaceuticals, Boehringer Ingelheim, Mattel, and L’Oréal Cosmétique Active.
She also holds a master's degree in Strategic Public Relations from The George Washington University, a bachelor's degree in Marketing and Communication from Athens University of Economics and Business, and the Credential of Readiness (CORe) in Business Fundamentals from Harvard Business School.
She joined Gravity The Newtons in March 2018 as an Account Executive.

ANGELA MARTIDOU

ARETI PARASKEVAKOU

Areti is a Public Relations & Communication professional with 11 years of expertise. While one of her strengths is developing and implementing communication strategies for marketing & pr communication she is also successful in implementing brand marketing, pr/digital campaigns, sponsorships, celebrity endorsements, event planning & management. She has worked with a number of acclaimed international & domestic brands and has leaded projects in various sectors such as fashion, beauty, cinema, food, automobiles, insurance, airlines & electronics.

ARETI PARASKEVAKOU