Diana Jackson

Primary location

8 Finsbury Circus
London, EC2M 7EA, UK

Diana Jackson

Vice President

Diana Jackson has advised clients on a wide variety of issues in a range of industries since starting her career as an economic consultant in 1998. Diana has particular experience in merger investigations, having worked for the merging parties on European Commission investigations including Rexam/Ball, ICIG/INEOS Chlorvinyls, INEOS/SolVin, Baxter/Gambro, UPS/TNT, INEOS/BASF Styrolution JV, Unilever/Sara Lee Personal Care, Posten/Post Danmark, INEOS/Kerling, KarstadtQuelle/MyTravel, Andersen/Ernst & Young, GE/Honeywell, and Airtours/First Choice – including on the European Court Appeals of UPS/TNT, GE/Honeywell and Airtours/First Choice. She has also advised on many mergers before the UK competition authorities (Lloyds Pharmacies/Sainsbury’s Pharmacies, Whittan/Apex, ATOS Medical/Countrywide, Jewson/Build Center, Travis Perkins/BSS, Rough Undertakings Review, Centrica/Lake Acquisitions, Home Retail Group/Focus stores, Pan Fish/Marine Harvest, Centrica/Rough). This work has involved unilateral, coordinated and non-horizontal effects, and has covered a broad range of industrial sectors.

Her experience in non-merger cases includes several market investigations (most recently the FCA’s investigation into Asset Management and the CMA’s investigation into Energy), abuse of dominance cases (e.g. in relation to pharmaceuticals, postal services, gas flexibility and espresso machines), studies of the damages resulting from cartels (air freight, high voltage cables, GIS, wire harnesses and synthetic rubber), and the comparative efficiency of alternative payment schemes for music rights.

She has appeared as an expert witness before the South African Competition Tribunal and the Swedish Market Court.

Education

  • M.Phil. Economics, University of Oxford
  • M.A. Economics, University of Cambridge
  • Postgraduate Diploma EC Competition Law, King's College, University of London

Cases

INEOS / certain assets of TotalEnergies

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Ethniki / CVC

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CVC/Genetic

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INEOS/BP

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Andromeda/Nireus/Selonda

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Asset Management

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Hydrocortisone

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Energy Market Inquiry

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High Voltage Cables

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AAH Pharmaceuticals/MASTA and Sangers

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Whittan Intermediate/Apex Linvar

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Celesio/Sainsbury's

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Whittan Intermediate/Masondixie

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International Paper/Weyerhaeuser Pulp

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Liothyronine

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UPS/TNT (Appeal)

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News Articles

European Commission clears Cooper’s acquisition of Viatris’ European OTC business

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European Commission unconditionally approves INEOS’ acquisition of certain assets of TotalEnergies

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EC unconditionally clears CVC’s acquisition of Ethniki

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ICA clears CVC's acquisition of Genetic

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Commission clears INEOS acquisition of BP’s Chemicals Business

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Jacobs UK acquisition cleared by the CMA.

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CMA clears storage equipment merger unconditionally at Phase I

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CMA clears Celesio/Sainsbury’s Pharmacy merger in Phase II, subject to divestments

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CMA clears steel static storage systems merger unconditionally at Phase I

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