Valantis Vasilakis

Valantis Vasilakis

Mentor
Rising Codementor
US$0.00
For every 15 mins
ABOUT ME
BI Consultant - Tableau, Alteryx, AWS
BI Consultant - Tableau, Alteryx, AWS

Hello, I’m Valantis. I help people and organiSations see and understand their data as a BI Consultant. I'm a Tableau Certified Trainer and a fully Tableau Certified Professional (both Server & Desktop). I also hold certifications in Alteryx and AWS.

I love visualising, researching and exploring data. I have experience consulting to start-ups and international enterprises to deploy Tableau & Alteryx, including architecting Tableau/Alteryx Server deployments, training staff on how to use Tableau & Alteryx, consulting on data strategy, and creating reporting workflows and dashboards.

Buenos Aires (-03:00)
Joined May 2020
EXPERTISE
6 years experience
Fully Tableau Certified (Desktop & Server) and a Tableau Certified Trainer. Used Tableau daily for the past 6 years, in different capacit...
Fully Tableau Certified (Desktop & Server) and a Tableau Certified Trainer. Used Tableau daily for the past 6 years, in different capacities. Passionate about helping customers see and understand their data in a new light. I've driven successful Tableau & Alteryx implementations either on-site or remotely by intimately understanding customer requirements and developing lasting relationships with the client stakeholders. I have experience designing deployment architectures, developing visualisations and dashboards to effectively communicate information using data viz best practice, optimising Tableau Desktop workbooks, creating automated reporting workflows using Alteryx Designer/Server and troubleshooting Tableau and Alteryx issues. I have developed training courses and educated hundreds of users in a range of topics. Deep technical knowledge of the Tableau Platform & Alteryx Platform: Tableau Server Certified Professional, Tableau Desktop Certified Professional, Tableau Accredited Trainer (Desktop I, Desktop II, Desktop III, Prep I, Visual Analytics), Alteryx Designer Advanced, Alteryx Trainer.
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5 years experience
Proficient in Alteryx, using a range of tools including predictive & spatial analytics, in-DB and standard ETL.
Proficient in Alteryx, using a range of tools including predictive & spatial analytics, in-DB and standard ETL.
4 years experience
Working-level experience in SQL and databases such as Oracle, SQL Server, BigQuery, Redshift and more.
Working-level experience in SQL and databases such as Oracle, SQL Server, BigQuery, Redshift and more.
1 year experience
Certified Solutions Architect Associate. Installed and configured Tableau Servers on AWS.
Certified Solutions Architect Associate. Installed and configured Tableau Servers on AWS.

REVIEWS FROM CLIENTS

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EMPLOYMENTS
BI Consultant
The Information Lab Netherlands
2016-04-01-2020-04-01
The Information Lab is a team of passionate Tableau & Alteryx professionals and one of the top Tableau/Alteryx partners on the planet. I ...
The Information Lab is a team of passionate Tableau & Alteryx professionals and one of the top Tableau/Alteryx partners on the planet. I was the first consultant hired in Amsterdam and started working in a team of three along with the two Dutch managing directors. I've driven successful Tableau & Alteryx implementations either on-site or remotely by intimately understanding customer requirements and developing lasting relationships with the client stakeholders. I have experience designing Tableau & Alteryx deployment architectures, developing visualizations and dashboards to effectively communicate information using data viz best practice, optimising Tableau workbooks and Alteryx workflows, creating automated reporting workflows using Alteryx Designer. I have developed training courses and educated hundreds of users in a range of topics. I've worked for a range of clients including Atradius, BCG, Bol.com, European Space Agency, Glencore, Heineken, KIA, KPMG, Nike, PwC, Uber, Viacom, Wolters Kluwer.
SQL
Tableau
Alteryx
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SQL
Tableau
Alteryx
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Bid Management Analyst - Automotive
TomTom
2015-02-01-2016-01-01
Responsible for data analysis regarding the internal and external ecosystem of the Automotive Business Unit. Purpose of my analysis effor...
Responsible for data analysis regarding the internal and external ecosystem of the Automotive Business Unit. Purpose of my analysis efforts are to further enable the Management Team in directing the Sales activities in addressing global RFQs. Focus areas: - Business Intelligence - Market modelling - Deal pricing intelligence - Data analysis
Excel
Salesforce
Tableau
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Excel
Salesforce
Tableau
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Manager
Harkia Villas
2008-12-01-2015-12-01
• Created the online marketing strategy and managed the advertising budget of Harkia Villas. Drafted the pricing on annual basis. • Creat...
• Created the online marketing strategy and managed the advertising budget of Harkia Villas. Drafted the pricing on annual basis. • Creation and maintenance of advertisements on the travel industry’s best websites: Booking.com, Homea-way.co.uk, FeWo-direkt.de, Homelidays.com, Tripadvisor.com, Holiday-lettings.co.uk and more. • Elite property listing on Homeaway Inc. by achieving the ultimate quality score on the listing scorecard. • Introduced the business to new markets to expand the potential target groups. • Managed the sales and handled the customer interactions on a daily basis in English, German, and Greek. • Increased booking rates from the United Kingdom, the Netherlands, Germany, France, Belgium, Russia and more. Increase in yearly revenues and profitability every year since 2008.
Excel
JavaScript
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Excel
JavaScript
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