Mercer Management Consulting’s Retail and Consumer Practice has had a two year relationship with Gareth Lewis, who has provided us with very valuable training in the Miller Heiman approach.
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"We would happily recommend this programme to any group of senior professionals who are keen to develop their sales and relationship skills."
Stephen Brien
London Office Head
"We have used Strategic Selling from Miller Heiman for a number of years. It is the best sales process methodology in my opinion and has certainly been very helpful to me on a personal level in a successful sales career at Mercer HR and previous employers."
Andy Wiggins, Principal

Mercer has conducted a number of multi-day sessions for our sales team on both Conceptual Selling and Strategic Selling, as well as several shorter intermediate refresher sessions with small groups. The Miller Heiman approach has been a very structured and powerful approach to addressing situations that we have all faced on a regular basis. We have found Gareth to be an excellent trainer and coach. He has communicated the core Miller Heiman material very well, and has also helped make the sessions more interactive by engaging with senior members of the team to reinforce and illustrate points using war stories we are all familiar with. In this way these sessions have been very powerful.
Learning about Miller Heiman, and working with Gareth has coincided with this team increasing its sales productivity by approximately 40% over a 2-year period, having already been the most productive within the firm.
