Beeby has worked at Walkers and PepsiCo UK for 10 years, holding a number of roles and working across wholesale, field sales and logistics.
She replaces Nicky Seal who is going on maternity leave.
In her new role, Beeby will be responsible for the trade press and Walkers event development, reporting to PepsiCo’s trade marketing manager Claire Green.
Beeby said: “The trade press plays a significant role within PepsiCo’s overall marketing and communications strategy and I’m really excited and looking forward to working with all the titles.”
Seal added: “Cara’s experience within the company will stand her in excellent stead for the trade marketing manager’s position and she will do a fantastic job.”