Contact 2018-01-23T14:37:09+00:00

Meet our Lead Trainer

Simon Koss

Digital Marketing Specialist & Business Trainer with valuable expertise in Mass Media and Social Communication techniques and in building and managing Online Web Properties (websites, social profiles, online communities). Target focused professional with great ability to use every digital marketing tool (SEO, Adwords, Email marketing, Social Media marketing, Guerrilla marketing) to achieve the final goal (sales & engagement).

Meet us!

Meet us to discuss your digital marketing strategy. Contact us so as to make an appointment with one of our trainers in the following cities

Call us!

USA: +16467518608
United Kingdom: +442036086760
Greece: +302112168409

Google AdWords Seminars

Collaborations

Over the past 11 years, we have worked with dozens of companies and executives from the field of communications, media, commerce, technology, telecommunications, medical, tourism, the arts, politics, providing a range of consulting services and solutions to various industries.

Testimonials

LEADER SCHOOL leverages the experience gained from all these fields to offer you insights from our long experience and solutions that will help you stand out in an online environment. Some of the people we’ve worked with talk about LEADER SCHOOL.

I’ve had the pleasure of attending the Social Media & Internet Marketing Master PRO. I have attended some seminars in my 20-year career as marketing aAris Pilitsopoulos

Aris Pilitsopoulos • Athens Medical Group

We cooperated effectively for the social strategy development of a brand station in food industry sector

Christos Prapidis • Marketing Manager | Delivery Hero

I have attended Social Media seminars that helped me to understand the opportunities that social media can create in the development of a company

Yota Thomou • Head of Direct Advertising | Primemedia

Social Media seminars helped me to develop our social media strategy on Facebook so as to launch effectively our new mobile devices campaign

Aggeliki Mastori • Marketing Excecutive | Crypto Technology

The seminars I attended in Leader School were very useful. I learnt a lot of smart tricks for today’s digital marketing word. The instructors were so well

Maria Tsagalis • Marketing Manager | HATS (Hellenic Air Training Services)

I have had the distinct pleasure of attending Leader School’s “Digital Marketing Master Business Training Program” conducted by Simos Kosmetatos. Simos has been more than the ideal

Iro Akrioti • Retail Marketing Executive | iStorm

We attended SEO & Online advertising business seminars that resulted in better ranking in Google search engine organic results and better ROI in our advertising on Google Adwords reducing

Mina Iliovits • Marketing Εxecutive | MidEast Travel

We cooperated effectively to create a new online web property around technology and unique online content that was highly appreciated from the online advertising market

Nektarios Sartzetakis • CEO | Nemo Online

We want to thank Simon for the co-operation and the professionalism in Social Media Coaching all these years.

Spyros Papadatos Regional Marketing Manager | Dell

Excellent instructor with perfect business acumen. Trust him!

George Papandreopoulos Capella - MCN (IPG Network)

Simos is a well organised trainer and makes communication in digital era an easy to do task. His skills are deriving from years of experience in the communication field and his ability to transform his knowledge to practical examples. His training on social media was really helpful for me and my work.

Efi Kontouli Marketing Manager | iSquare SA (Apple Reseller)

I’ve had the pleasure of attending the Social Media & Internet Marketing Master PRO. I have attended some seminars in my 20-year career as marketing and communications professional and I must say that Simos is perhaps the best instructor, teacher and strategic thinker. He is passionate about social media and he is well informed of new and emerging communications tools and strategies. I would highly recommend him to anyone interested in learning more about online communications.

Virginia Apelatou Marketing & Communications Manager | QlikView

We have a valuable cooperation building brand awareness for social media customers.

Andreas Vouros General Manager | Bakers Digital Communication

We cooperated with Leader Online School to develop the social media strategy of different brands in the food & retail industry.

Ilias Pantelopoulos Digital Strategist & Entrepreneur

An excellent cooperation that resulted in valuable content creation for different brands in multiple social media platforms. Leader Online School is an important source of new ideas and tools to build your digital marketing strategy. The consulting services gave us new tools and opportunities to reach our target.

Maria Kofou Social Media Strategist

We have a creative cooperation, Simos is a valuable Social Media Coach. Following the coaching sessions, I developed the online strategy of different clients in the health and retail market.

Koni Karabetsou Social Media Expert

Leader Online School’s Internet Consulting services helped our company to develop our online presence building new online sales channels for our products.

Vasilis Papadopoulos Entrepreneur/ Merchant/ Victoria Athens

Following the tools and strategy of the “Social Media Marketing” seminar, I managed to create an effective online strategy and promote my newly created company.

Sofia Kabanidou Managing Director | Fantastick

I have attended Social Media & Internet Marketing Master PRO seminar. The 15 modules of the seminar were excellent and targeted to online success. Mr. Simon Koss, my coach, is an online marketing insider, great professional and always available to you whenever you need him. He helped me create a competitive online presence and, the most important achieve sales and growth. I am really pleased of the seminars and i would highly recommend him to any entrepreneur.

Georgia Giannopoulou Entrepreneur | Health Industry

I attended Social Media Marketing seminars so as to better understand the strategy I need to follow and the tools I should use to increase sales in my eshop in the beauty sector.

Vasiliki Papadopoulou CEO | MakeUpHouse

Excellent cooperation using the Internet Consulting services to understand the internet strategy I should follow as a dentist.

Panos Mitropoulos DDS,MSc Dentist Surgeon

I attended seminars in Social Media, it was great because we had a lot of examples of how to use the tools for my online presence. I am pleased about my cooperation with Simon Koss who helped me to understand how we can use social media in our everyday business life.

Efi Vraka Athlete/Model/Entrepreneur