Who we are

Rob Mitchell

Chief Executive Officer

Rob leads Longitude’s strategic planning and sets the overall vision and priorities for the business. He manages the board-level relationship with Longitude’s parent company, the Financial Times group, and also oversees Longitude’s finances, people management and administration.

Prior to co-founding Longitude in 2011, Rob was an independent writer and editor. Between 2007 and 2010, he was a managing editor at the Economist Intelligence Unit and prior to that he was an editor at the Financial Times, where he was responsible for the newspaper’s sponsored reports, including the Mastering Management series.

+44 (0)20 7873 4178

Rob’s recent blog posts

How to get client-facing teams on board …
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Why great thought leadership is about pr…
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Five reasons to start your thought leade…
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Top thought leadership trends to watch i…
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Don’t let your content mark the end of…
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False starts: How to avoid a lead gen fa…
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James Watson

Chief Operating Officer

James oversees project delivery and all the processes involved. In this role, he helps manage and coordinate the research, editorial and project management teams in order to deliver high quality thought leadership campaigns.

As an editor, he has over 15 years of experience in both business journalism and research. Some of his specialist areas of coverage include IT and technology, urban issues, energy and sustainability. Prior to co-founding Longitude, James spent five years at the Economist Group in the UK. Earlier, he worked in both South Africa and Singapore, reporting on the dot com boom (and bust). He is now based in Zurich, Switzerland.

+44 (0)20 7873 3843

James’s recent blog posts

Five times that data science elevated th…
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Q&A: Tim Cooper of Dentsu Aegis on the C…
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The Atlantic divide: Are the world's tho…
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From AVEs to MQLs: Challenges in the hun…
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Longitude scores highly in the FT1000: E…
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When thought leadership goes bad: Three …
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Gareth Lofthouse

Chief Revenue Officer

Gareth manages Longitude’s growing commercial team as they continue to advise some of the biggest B2B companies in the world on their thought leadership strategy. He works with clients to design thought leadership that delivers maximum commercial impact, both in terms of building client relationships and improving brand visibility.

Before joining Longitude, he spent nine years as editorial director for EMEA at the Economist Intelligence Unit (EIU). Gareth was instrumental in building the EIU’s thought leadership and survey business, and he has overseen hundreds of custom projects for the Economist’s clients across a range of industries and subject areas. Before that, Gareth led an editorial and creative team for a PR and marketing agency. He has also held several senior editorial positions in business and technology publishing.

+44 (0)20 7873 4159

Gareth’s recent blog posts

The Way Ahead: Six ways to develop a pow…
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How data journalism can improve your con…
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Data + Story + Design
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Campaigns that hook the C-Suite
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How CMOs are reframing thought leadershi…
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How to be a Thought-Leading Brand: Five…
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Dan Collins

Head of Business Development

Dan heads up the Longitude business development team, evangelising our industry-leading thought leadership proposition to the world’s most advanced, credible and respected technology businesses in particular. His remit at Longitude is to take the company to the next level, targeting clients in all corners of the globe.

A self-confessed tech geek, he has spent the past 18 years in various business development and leadership roles, and most recently launched and led the Guardian’s B2B content team within Guardian Labs. Dan has managed high performing teams and overseen senior-level relationships with leading brands that include, Google, Facebook, HP Enterprise, Alcatel-Lucent Enterprise, Ericsson, Cisco & SAP.

+44 (0)20 7873 3197

Helen Rosemier

Head of Account Management

As well as personally managing Longitude’s partnership with some of our biggest clients, Helen leads our highly experienced commercial team of account directors, responsible for relationships with some of the most senior marketers in the world of B2B.

Helen has extensive account management and partnerships expertise having worked with key clients for major media owners such as EMAP, Trinity Mirror and News International. Her experience covers a range of B2B sectors including finance, public sector, legal, retail, education, healthcare, PR and publishing.

+44 (0)20 7873 4251

Sean Kearns

Editor-in-chief

Sean manages our team of editors and analysts while also ensuring the overall quality of our content and research output.

He has more than 12 years’ experience as a content expert, working in both Europe and the Middle East over his career. Prior to Longitude, Sean was editorial director of Bladonmore, and he previously worked as an editor at John Brown Publishing.

+44 (0)20 7873 4149

Sean’s recent blog posts

What’s at stake: Why alignment is your…
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Six ways to improve your thought leaders…
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Great expectations: Thought leadership, …
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The Way Ahead: Five ways to reach your a…
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It’s not just business: Purpose and th…
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For our ears only: Why thought leadershi…
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Amit Sehmi

Finance Director

Amit manages Longitude’s finances and financial systems. This is vital to ensure that the business is both compliant with rules and regulations, as well as profitable.

On top of having previous experience in numerous financial and commercial roles within a wide range of industries, Amit is an ACCA qualified accountant

+44 (0)20 7775 6005

Andrea Semas

Delivery & Projects Director

Andrea Semas leads our client-facing Project Management team ensuring that our client communications and project processes are effective. Collaborating with internal teams and third-party partners, Andrea works across all sectors to assist in translating client requirements for delivery management and support. She works closely with the project teams to help unlock challenges and drive projects through to completion, on time and on budget.

Most recently, Andrea spent over seven years in digital advertising where she directed teams and programmes of work from strategic brand campaigns and activations through to global website design, build and deployment. Previously, she oversaw an array of accounts and projects in brand communications that spanned strategy workshops and corporate rebrands to digital design and development. Andrea’s early years were spent establishing and developing digital design teams in dotcom start-ups.

+44 (0)20 7873 4262

Emily Taylor Gregory

Marketing Director

Emily is our marketing director, responsible for the brand, marketing and communications strategies for Longitude and the Thought Leadership Network. Emily leads our content and events programmes, our digital marketing channels, as well as our speaking engagements and PR activity, working closely with our editorial and research teams to develop and promote insight and best practice at the cutting edge of thought leadership.

Before joining Longitude, Emily spent 14 years working in various marketing roles in the publishing and technology sectors.

+44 (0)20 3743 1530

Emily’s recent blog posts

The visual storytelling tools that give …
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Webinar Q&A: Get thought leadership righ…
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Which are the best content marketing for…
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How to write a compelling B2B marketing …
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10 content marketing challenges and how …
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Learning from Leaders: Delivering though…
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Piers Tomlinson

Editorial Director

An experienced writer and editor, Piers is skilled at making complex business issues accessible and compelling for a wide range of audiences. He specialises in writing thought leadership reports, opinion pieces and digital content across the energy, financial services, government, healthcare, manufacturing and technology sectors.

Prior to joining Longitude, Piers was content manager and senior writer at PA Consulting Group. Before PA, as an independent consultant, he designed and delivered a Europe-wide media campaign for a Tokyo-based Global Fortune 500 company. At the same time, he was writing extensively about topics ranging from contemporary art to environmental technology and the global supply chain. Piers has also been head of communications for the UK’s largest port operator and a writer and researcher in the health and community care markets.

+44 (0)20 7775 6029

Piers’s recent blog posts

Doom, gloom and behavioural economics: H…
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Shorter, stronger stories: Three alterna…
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