What does a food consultant do? Get to know more on the third episode of Who's in the Zoo with Nisha Ghantwal . She is currently the director of The Mack Group in Australia. She works as an advocate for their clients in achieving their goals through the design and implementation of foodservice facilities and/or operations/management systems. Consultants provide expertise, knowledge, and experience to provide assistance that does not exist in-house, or by providing resources not available.