David Leska
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David Leska Email & Phone Number

Project and Change management consultant and trainer, Proffesional Coach at Freelancer
Location: Amstelveen, North Holland, Netherlands 8 work roles 2 schools
1 phone found area 172 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

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Direct phone (172) ***-****
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Current company
Freelancer
Role
Project and Change management consultant and trainer, Proffesional Coach
Location
Amstelveen, North Holland, Netherlands
Company size
41 employees

Who is David Leska? Overview

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Quick answer

David Leska is listed as Project and Change management consultant and trainer, Proffesional Coach at Freelancer, a company with 41 employees, based in Amstelveen, North Holland, Netherlands. AeroLeads shows phone signal with area code 172 and a matched LinkedIn profile for David Leska.

David Leska previously worked as Project/Change management consultant and trainer, Proffesional Coach at Freelancer and Trainer at Tayllor & Cox. David Leska holds Master Of Business Administration (Mba), Executive Mba Program from Sheffield Hallam University.

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Freelancer

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Profile bio

About David Leska

Qualified by 15 years of Project and Portfolio management and Customer Care management experience, including:- 7 years in program/project management in an aggressive implementation and integration environment for one of the world’s largest private telecoms.- 8 years launching and managing top-flight technical customer care organizations for Siemens.- leadership and management of international teams.

Listed skills include Telecommunications, Integration, Telco, Project Management, and 32 others.

Current workplace

David Leska's current company

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Freelancer
Freelancer
Project and Change management consultant and trainer, Proffesional Coach
Amstelveen, NH, NL
Website
tx.cz
Employees
41
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8 roles

David Leska work experience

A career timeline built from the work history available for this profile.

Project And Change Management Consultant And Trainer, Proffesional Coach

Freelancer

Amstelveen, NH, NL

Project/Change Management Consultant And Trainer, Proffesional Coach

Current
Freelancer

Amsterdam, Netherlands And Prague, Czech Republic

Providing trainings and consultations in Project/Program/Portfolio management areas, Agile methodologies, incl. PMI certification trainings (CAPM, PMI). Providing trainings and consultations in Change management area based on CMI methodology.Tailored made trainings in all above mentioned areas available upon request.Certified Professional Coach (Result.

Nov 2016 - Present

Trainer

Current
Tayllor & Cox

Prague, The Capital, Czech Republic

Professional trainer in following areas:- PMI Project Management,- SCRUM and other Agile methodologies, - ITIL- Program and Portfolio Management

Jun 2016 - Present

Us Training & Parental Leave

Kansas City, Missouri Area

  • Focus on further professional development
  • English language intensive courses
  • PMI PMP (Project Management Professional) Certification, 2013, Kansas City
  • PMI ACP (Agile Certified Practitioner) training, 2014, Kansas City
  • PROSCI Certified Change manager, 2015, Colorado Springs
  • PMI conferences and trainings, 2013-2015, USA
Jan 2012 - Jun 2015

It Transformation And Pmo Manager

Telefónica O2 Czech Republic, A.S.

Prague, The Capital, Czech Republic

  • Responsible for definition of IT Transformation strategy with respect to global O2 IT strategy (IT operation outsourcing (550 HC), SW development Processes&Tools unification, SW development and maintenance suppliers.
  • Outsourcing of 550 IT Operation employees into O2 CZ subsidiary
May 2009 - Dec 2011

Integration Manager

Telefónica O2 Czech Republic, A.S.

Prague, The Capital, Czech Republic

  • Defined project portfolio (roadmap) leading to transformation of Eurotel (mobile provider) and Cesky Telecom (Fix provider) – merge of two companies into new one O2 Czech Republic
  • Defined and implemented Transformation projects methodology
  • Closely cooperated with Top Management on transformation related issues resolution
  • Managed internal Transformation team (8 employees) 1. Managed Re-branding project
  • Project bringing new O2 brand on the Czech market incl. few innovative services, i.e. Fix/Mobile/Internet bundles, IPTV – TV over fix line
  • Project consisted of 8 main streams, i.e. brand, product marketing, legal, real estate,etc. (80+ team members, budget of €20mio)2. Implemented tool for project and portfolio management based on CA Clarity
Feb 2005 - Apr 2009

Customer Care Manager Rhq Cee

Siemens Ag Austria

Vienna, Austria

  • CEE region - Austria, Bulgaria, Croatia, Czech Republic, Greece, Hungary, Israel, Romania, Slovakia, Serbia and Montenegro, Slovenia, Switzerland
  • Defined, developed and monitored full range of customer care services including hotline support services for Serbia, Monte Negro, Slovenia, Croatia, Bulgaria and Romania,
  • Customer Care Key account manager for T-Mobile, Vodafone, Orange
  • Responsible for monitoring and reporting defined KPIs (# of repairs, time-to-repair, failure rate, etc.)Initiated a number of internal initiatives to improve effectiveness and efficiency:1. Outsourced call center.
May 2003 - Jan 2005

Ceo Of Siemens Subsidiary And Customer Care Manager For The Czech Republic

Siemens S.R.O.
  • Responsible for development of Customer Care in the Czech Republic - awardedBest Siemens Customer Care in 2000 in internal contest within 36 other countriesKey responsibilities included:- Design and implementation of.
Sep 1997 - Apr 2003
Team & coworkers

Colleagues at Freelancer

Other employees you can reach at tx.cz. View company contacts for 41 employees →

AM Alessandro Martinelli Alessandro Martinelli Colleague at FreelancerVarese, Lombardy, Italy, Italy View → PŠ Petra Šimůnková Petra Šimůnková Colleague at FreelancerPoděbrady, Central Bohemia, Czechia, Czech Republic View → LK Lucie Knotová Lucie Knotová Colleague at FreelancerBrno, South Moravia, Czechia, Czech Republic View → JC Jan Cuřín Jan Cuřín Colleague at FreelancerPrague, Czechia, Czech Republic View → VH Veronika Hirschová Veronika Hirschová Colleague at FreelancerPrague, Czechia, Czech Republic View → TH Tereza Habichova Tereza Habichova Colleague at FreelancerPrague, Czechia, Czech Republic View → RN Radek Nedved Radek Nedved Colleague at FreelancerCzechia, Czech Republic View → MT Martin Tobolka Martin Tobolka Colleague at FreelancerMladá Boleslav, Central Bohemia, Czechia, Czech Republic View → VA Vladimír Adamičko Vladimír Adamičko Colleague at FreelancerPrague, Czechia, Czech Republic View → CF Charlie Fox Charlie Fox Colleague at FreelancerPrague, Czechia, Czech Republic View →
2 education records

David Leska education

FAQ

Frequently asked questions about David Leska

Quick answers generated from the profile data available on this page.

What company does David Leska work for?

David Leska works for Freelancer.

What is David Leska's role at Freelancer?

David Leska is listed as Project and Change management consultant and trainer, Proffesional Coach at Freelancer.

What is David Leska's phone number?

AeroLeads has found 1 phone signal(s) with area code 172 for David Leska at Freelancer.

Where is David Leska based?

David Leska is based in Amstelveen, North Holland, Netherlands while working with Freelancer.

What companies has David Leska worked for?

David Leska has worked for Freelancer, Tayllor & Cox, Telefónica O2 Czech Republic, A.S., Siemens Ag Austria, and Siemens S.R.O..

Who are David Leska's colleagues at Freelancer?

David Leska's colleagues at Freelancer include Alessandro Martinelli, Petra Šimůnková, Lucie Knotová, Jan Cuřín, and Veronika Hirschová.

How can I contact David Leska?

You can use AeroLeads to view verified contact signals for David Leska at Freelancer, including work email, phone, and LinkedIn data when available.

What schools did David Leska attend?

David Leska holds Master Of Business Administration (Mba), Executive Mba Program from Sheffield Hallam University.

What skills is David Leska known for?

David Leska is listed with skills including Telecommunications, Integration, Telco, Project Management, Team Management, Project Portfolio Management, Team Leadership, and Strategy.

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