John Montgomery is a specialist in Brand Safety and Trust in the Digital Media Industry and heads up the Global Brand safety practice in GroupM, which he established in 2017 after concerns raised by clients over quality in the digital supply chain. In 2021, John became an advisor to GroupM but still holds the above title.John is seen as one of the digital innovators in the field where he helped found organizations like DAA, GARM and TAG. John speaks regularly on issues like Brand Safety and Integrity and the effect of Quality in the digital supply chain.As part of his role, John has represented the advertising industry to the US Senate Commerce Committee and Chaired the American Association of Advertising Agencies (4A’s) Media Council.He is a board member or Advisor to several non-profit and for profit companies:- Board Member and co-chair of Internews: https://internews.org.- Board Member and co-founder of Federation for Internet Alerts (FIA): https://internews.org. - Advisor to LinkedIn. https://www.linkedin.com/feed/- Advisor to GroupM. https://www.groupm.com- Advisory Board member: Otto by Devcon https://devcondetect.com. - Advisory Board member: Pixability. https://www.pixability.com. - Advisory Board member: Connected Stories https://www.hypertvx.com. - Advisor to the World Economic Forum on Media Quality issues. https://www.weforum.orgIn 2013 John was nominated by Adweek as one of the 12 smartest people in media (http://www.adweek.com/news-gallery/advertising-branding/12-smartest-media-agency-execs-business-today-149981#john-montgomery-coo-groupm-interaction-7) and won a Media All Star award from Media Post - http://www.mediapost.com/publications/article/183487/a.htmlMore recently John was nominated by the 4A's as one of the top 100 people who make advertising great in the US. History.John joined Ogilvy in 1989 in South Africa as media director and launched MindShare in that country. In the final three years he spent in South Africa he was Managing Director of the Ogilvy Group in Cape Town, one of the most creative agencies in the Ogilvy Worldwide Network.In 2001, John moved to Amsterdam as CEO, Ogilvy Group Netherlands. In 2004 John relocated to New York and became Global CEO of MindShare Interaction in 2006 where he established the digital practice for Mindshare worldwide.In 2009, he took on the role of COO of GroupM Interaction for North America where he lead the digital data strategy, innovation and policy for the group. IN 2017 John established the Brand Safety Practice in GroupM where he still an Adviser.