Our Senior Team

Our team can easily become an extension, and an integral part, of your business; ensuring brand amplification, with a shared goal of delivering outstanding results.

John Williams

CEO

John Williams

CEO

  • Likes Cars, golf, boats, cooking.
  • Eats At Groucho, Shampers, Sam’s Chop House.
  • Drinks Gruaud Larose, Gavi de Gavi, Taylor’s Best.
  • Loves Living in Pal Zileri, Clarks deck shoes, Paul Smith jeans.

Rita Rowe

Managing Director

Rita Rowe

Managing Director

  • Likes Armani, crazy shoes, big handbags and anything black.
  • Eats Oysters & seafood - favourite eating place Portixol, Palma.
  • Drinks Cava and Champagne.
  • Loves Skiing, sailing, riding and keeping chickens.
  • Hates Laziness, complacency and lack of passion and enthusiasm.

Roísín O'Sullivan

Account Director

Roísín O'Sullivan

Account Director

  • Likes Sunglasses, adventures, holidays and a good live gig.
  • Drinks Decent coffee and a G&T.
  • Loves Ireland.

Sarah Hellings

Account Director

Sarah Hellings

Account Director

  • Likes Theatre, comedy shows, pop-ups – whatever's going on in London
  • Eats Whatever the veggie option is
  • Drinks Anything with bubbles
  • Loves Travelling, going out and a good Netflix binge
  • Hates Bad tube manners, wasps and that I’m allergic to caffeine

Bianca Dorp

Account Director

Bianca Dorp

Account Director

  • Likes Cooking, Reading, Skiing, Park walks with our dogs
  • Eats All of the tapas
  • Drinks I have a lot of time for a perfectly balanced Aperol Spritz
  • Loves Lists, Perfect Grammar, Dogs, South African Bush Holidays

Rachel Sheehan

Account Director

Rachel Sheehan

Account Director

  • Likes Life, helping spread the word and telling great stories for clients
  • Eats In lots of restaurants – part of the job that I love
  • Drinks Wine and love to find an unusual/not yet popular label
  • Loves Family (my two kids especially), fashion, finding new places to indulge my F & D habit!
  • Hates Untidy people and untidy thinking

Working at Mason Williams: Join an outstanding team doing outstanding things…

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