World Potato Congress Inc. (WPC) e thabetse ho amohela Douglas Harley le Derek Roulston e le Baeletsi ba Machaba. Joalokaha ho boletse Mopresidente Peter VanderZaag, "WPC e labalabela ho sebetsa le Doug le Derek. Ba tlisa tsebo e ngata ha ho tluoa tabeng ea lefats'e la litapole, haholo-holo Europe le Afrika. Kahoo, ba tla fana ka tlatsetso e kholo ho utloisisa boemo ba litapole libakeng tseo le lefats'eng ka bophara. ”
Douglas (Doug) Harley is Group Managing Director of Alexander Harley Seeds Ltd., sehlopha sa lelapa sa lik'hamphani tsa peo tse amehang ho tsoalisong le ho bapatsa mefuta e mengata ea lijalo. Mesebetsi ea eona ea litapole e etsoa ke Cygnet eo e leng molemi e moholo oa litapole UK. Cygnet e atlehile ho hlahisa mefuta e mengata, ea morao-rao ke Kingsman le Elland. Cygnet ke k'hamphani e kopaneng e otlolohileng e iketsetsang li-minitubers tsa eona mme e laola tlhahiso ea lithane tse fetang 30,000 tsa litapole tsa peo Scotland, ebe li romelloa linaheng tse fetang 40 ho pota lefatše.
Doug o na le Degree ea Honours in Agriculture le Crop Science ho tsoa Univesithing ea Aberdeen mme o bile le likarolo tse 'maloa tse emelang litapole tsa peo tsa Cygnet le tsa Scotland mekhatlong ea UK le kantle ho naha ho kenyelletsa BPTA, BSPB, Euroseeds le Breeders Trust. Joaloka Motsamaisi oa pele le Molula-setulo oa Komiti ea Likhau, o sebelitse le WPC ka lilemo tse 'maloa.
Derek Roulston o hōletse lelapeng la lihoai Co. Donegal Ireland. E ne e le moloko oa boraro oa ho lema peō ea litapole e tiisitsoeng polasing eo a ileng a e nka ho ntate oa hae ka 1990. Ka 1998 eena, hammoho le lelapa la hae, ba ile ba fallela Kenya ho ea sebetsa e le baromuoa ntlafatsong ea mahaeng le sechabeng. Ha a ntse a le mosebetsing ona, o ile a hlokomela khaello e kholo ea peo ea litapole ea boleng bo holimo, 'me ka 2010, a tsepamisa boiteko ba hae ho nts'etsopele ea morero o kopaneng oa peo ea litapole le Kisima Farms naheng ea Kenya. Kajeno, e ntse e le e mong oa bahlahisi ba kholo ka ho fetisisa ba peo ea litapole e netefalitsoeng Afrika e ka boroa ho Sahara.