Billionaire businessman Chris Kirubi made the first public appearance in as any months on Monday in the ongoing Blue Economy conference.

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Early this year, Kirubi was admitted in a US hospital following an attack by cancer and stayed there for close to four months.

At the conference, an excited Kirubi, also believed to be a power broker, tweeted about his optimism in the country's blossoming economy.

 "@BlueEconomy2018 brings together presidents, leaders & delegates from various nations with focus on how to build #BlueEconomyKE.

"The conference commits to innovative and transformative ways we can use and sustain our oceans, seas, lakes and rivers. #AskKirubi."https://twitter.com/CKirubi/status/1067003282151878656?s=19.

He was seen mingling with top leaders among them President Uhuru Kenyatta and Nairobi Governor Mike Sonko.

There after, who mostly spends his time at the coast, took a photo with Uhuru, terming his as 'his old friend'.

"I met my old time friend @UKenyatta today @BlueEconomyKe conference. This new frontier will help develop the economy & enable us take advantage of our water resources in a sustainable way. #BlueEconomyKe #AskKirubi 📸 @muokimoss."https://twitter.com/CKirubi/status/1067014752013090817?s=19.