Sonja Kroll

Sonja Kroll

EMEA Editor


Sonja is the EMEA editor for ExchangeWire and covers all things programmatic in Europe from her base in Dublin. She initially found her way into the online marketing world through editorial and management roles for Yahoo! Search Marketing in the mid 2000s, before switching sides in 2009 and reporting on the online advertising industry as a regular contributor to German language internet news portal internetworld.de, and working as a content creator for a variety of clients in the tech and marketing world. Sonja has a BA in Photographic Media under her belt and in a previous life, qualified as secondary school teacher from the University of Würzburg, Germany, conducted traffic surveys and acted as an extra on an Irish soap opera.

Articles by Sonja


  • After Years of False Starts, True Native Offers Hope: Q&A with Kai Henniges, video intelligence

    With GDPR around the corner, is first- and third-party data going to struggle? Kai Henniges (pictured below), CEO and co-founder of Swiss mobile video SSP video intelligence, believes that native is the way forward, as it works with existing page content, rather than relying on data.

    Quietly creeping up on us for years, native video has emerged as a dominant force in digital advertising. The reason is a collision of factors – with video consumption habits and GDPR the final pieces [...]

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  • Expertenbeirat für Programmatic-Zertifikat gewählt; wywy gehört zu TVSquared

    ExchangeWire bündelt die wichtigsten Nachrichten aus der Region DACH mit Schlaglicht-Interviews aus der deutschsprachigen Programmatic-Szene. Diese Woche: Nächster Schritt auf dem Weg zum Programmatic-Gütesiegel für Agenturen; TVSquared kauft wywy; Wagawin expandiert nach Asien; und Fünf Fragen an Marius Rausch, AppNexus.

    Expertenbeirat für Agentur-Gütesiegel steht

    Nach der Vorstellung des BVDW-Zertifikats Programmatic Advertising vor rund zwei Monaten ist der nächste Schritt auf dem Weg zur Agentur-Zertifizierung getan. Der BVDW stellt jetzt den Expertenbeirat vor, der die Bewertung der teilnehmenden Agenturen vornehmen soll. Eric Hall, [...]

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  • Collaborate or Die: Q&A with Dan de Sybel, Infectious Media

    Will the upcoming GDPR regulations end up making the Google/Facebook duopoly even more dominant in the digital media world – and what can smaller players do? Dan de Sybel, CTO, Infectious Media, thinks that with the challenges of GDPR close on the horizon, it’s now time to collaborate or die.

    ExchangeWire: What effect will GDPR have on the diversity of providers in the programmatic sector?

    Dan de Sybel: Initially, GDPR will drastically cut down the number and diversity of partners with whom [...]

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  • DigiTrust Gains Momentum; Advertisers Find Agencies Untrustworthy

    ExchangeWire rounds up some of the biggest stories in the European digital advertising space. In this week’s edition: DigiTrust reaches critical mass; Study finds advertisers hypercritical of agencies; TabMo partners with Adyoulike; Suggestv closes seed funding round; and TVSquared buys wywy.

    DigiTrust is gaining momentum

    DigiTrust, intended as a neutral, independent, nonprofit ID consortium with initially 20 tech partners on board, was only established last year. Since then, the initiative has pushed their standardised user token idea and is now gaining momentum [...]

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  • BVDW Studie zu Ad Awareness; adsquare und Adobe kooperieren

    ExchangeWire bündelt die wichtigsten Nachrichten aus der Region DACH mit Schlaglicht-Interviews aus der deutschsprachigen Programmatic-Szene. Diese Woche: BVDW nimmt Ad Awareness unter die Lupe; Adsquare kooperiert mit Adobe; Protected Media stellt Sicherheitslösungen für evans Video; und Fünf Fragen an Daniel Rieber, VP Marketing, adsquare und Autor Mobile Marketing: Grundlagen, Strategien, Instrumente.

    Ad Awareness-Studie des BVDW

    Display ads sind slow burner und brauchen mehr Werbedruck. Zu diesem Ergebnis kommt die Programmatic-Studie zum Thema Ad Awareness. Während Anzeigen auf mobilen Geräten schon nach wenigen [...]

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  • Call for Ad Quality Charter; adsquare & Adobe Join Forces

    ExchangeWire rounds up some of the biggest stories in the European digital advertising space. In this week’s edition: AOP’s ad quality charter; adsquare partners with Adobe; iotec’s Mobile Transparency Report; Ad fraud alliance between Vidstart and Forensiq; DPRI revenue decreased in Q2; and evania video and Protected Media team up to tackle ad fraud.

    AOP calls for voluntary commitment to ad quality

    At their recent digital publishing convention, the Association for Online Publishing launched their ad quality charter, aimed at improving the [...]

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  • Viewability-Rate in Deutschland steigt; Adjust kooperiert mit Line

    ExchangeWire bündelt die wichtigsten Nachrichten aus der Region DACH mit Schlaglicht-Interviews aus der deutschsprachigen Programmatic-Szene. Diese Woche: Viewability in Deutschland im Aufwärtstrend; Adjust expandiert Angebot in Asien weiter; The Adex holt Andreas Kranki; und Fünf Fragen an Olaf Mahr, MD Deutschland, Double Verify.

    Digitale Ads in Deutschland werden sichtbarer

    Die Sichtbarkeitswerte von Banner-Ads steigert sich in Deutschland erneut. Und auch die Viewability-Statistik für Video-Ads macht sich im dritten Quartal 2017 gut, so die aktuelle Viewability-Auswertung von Meetrics.

    Für das dritte Quartal konstatiert Meetrics [...]

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  • IAB Publishes Transparency Guide; Digital Accounts for More Than Half of UK Ad Spend

    ExchangeWire rounds up some of the biggest stories in the European digital advertising space. In this week’s edition: New Transparency Guide by IAB Europe; UK ad spend forecast by AA/WARC; Adform partners with Hivestock for US DOOH; Meetrics ad viewability benchmarks; More transparency in AppLift’s dashboard; and Protected Media expands to US.

    Guidelines for more transparency in digital advertising supply chain by IAB Europe

    More transparency for advertisers in terms of data, cost, and inventory sources – that is the idea behind [...]

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  • The 3 Pillars to Brand Safety & How to Make Sure They Are Upheld

    Brand safety is hugely important in the current climate of suspicion towards digital advertising. Frances McCann (pictured below), partner manager, Blis, discusses the three key pillars of brand safety which must be considered to minimise the risk to advertisers and ensure ads are served in a safe environment.

    Frances McCann, Partner Manager, Blis

    Given growing concerns around digital advertising exhibited in this summer’s WFA report, which highlighted the suspicion of advertisers over the placement and viewability of their ads, it’s increasingly important for brands [...]

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  • BVDW fordert europäisches CfBA-Chapter; Meetrics erweitert MRC-Akkreditierung

    ExchangeWire bündelt jede Woche die wichtigsten Nachrichten aus der Region DACH. Diese Woche: BVDW kritisiert Coalition for Better Ads-Initiative und fordert europäische Interessenvertretung; Meetrics erweitert MRC-Akkreditierung; und Burda Forward weist ungültigen Traffic aus.

    BVDW kritisiert “Coalition for Better Ads”-Initiative

    Der offene Brief der US-Branchenverbände 4A’s, ANA und IAB US, die sich für ein zentrales „Better Ads Experience Program” aussprechen, haben der BVDW und OWM mit Kritik aufgenommen. Während die deutschen Verbände den Versuch begrüßen, die Ursachen von Ad-Blocking anzugehen und [...]

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