Juan Castaño
Tecnico Informático at E.T.S.I.Telecomunicacion
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolJuan Martínez is a solutions-focused leader with 12 years of experience building data-driven marketing and martech capabilities across agencies and media groups, currently Head of Solutions at dentsu in Madrid. He combines a technical foundation in telecommunications and business IT with hands-on product and activation experience from roles ranging from SEM specialist and product owner to Managing Partner and Head of Marketing Science. Juan has a track record of scaling paid-search operations across multiple markets, embedding automation and agile delivery, and translating analytics into creative media solutions. Colleagues rely on him to bridge engineering, data science, and commercial teams to turn complex measurement problems into actionable growth levers. Notably, his career blends early web development and scripting for efficiency with later strategic leadership in GroupM/WPP environments, giving him both tactical credibility and boardroom fluency.
13 years of coding experience
Telecomunicacion telematica, Telecomunicacion telematica at Universidad Politécnica de Madrid
Github Skills (67)
client-server10
xampp10
resource-management9
escpos9
vdi9
macos-catalina8
epson8
vnc-client8
neopixel8
xen8
jsbn8
ats8
arraybuffer7
telegram7
ovirt7
Programming languages (7)
Github contributions (5)
jonsito/AgilityContest_SerialChronometer
May 2019 - Mar 2021
Contributions:115 pushes, 1 branch in 1 year 11 months
jonsito/labo_sphere
May 2020 - Oct 2023
Contributions:320 pushes, 1 branch in 3 years 5 months
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