[1] He was educated at St. Patrick's College, Silverstream, and obtained a Doctor of Pharmacy from the University of Nebraska Medical Center.

[4] Guppy was first elected to the Upper Hutt City Council in 1998,[6] and was the chair of the Consents Committee for that three-year term.

[11] Guppy has also strongly opposed the installation of water meters for all consumers, despite the evidence that they lead to significantly reduced demand.

[12] In a separate issue related to wastewater, Guppy disputed advice from Wellington Water about the potential need to invest $1 billion in a total replacement of the long sewage outfall pipe from the treatment plant at Seaview to Pencarrow Head, together with upgrades at the treatment plant.

[13] Guppy diverted money from Three Waters funding to pay for floodlights for the rugby club which he is president of.