Mad Dog Brewing Co. are embarking on a series of challenges to increase awareness of mental health problems and raise vital funds for Welsh mental health charity Hafal. Mad Dog Brewing Co. founder Alexis Jones (left) and head brewer Stuart Watkins (right) will be taking on some extraordinary challenges over the next year to increase awareness of mental health and raise money for Hafal, Wales’ principal charity for people with a serious mental illness and their carers.   On 20th…