Born in a family of engineers-constructors of aviation engines who worked the whole life at elite Soviet construction bureau “Progress”. In 1982 graduated from physical-mathematics school №28 in Zaporizhzhia and was accepted to Moscow Physical-Technical Institute (MFTI). Studied first on physical and quantum electronics faculty and then in a theoretical group named after Landau on the faculty of general and applied physics with the quarters at the Institute of Theoretical Physics at Chernogolovka town.

Upon graduation from MFTI in 1988 started to work at theoretical department of the Institute of Spectrography of the Academy of Sciences of the USSR in the city of Troitsk where in 1991 he passed PH.D defense on the topic “Light propagation in nonlinear unordered environments”.

In 1992 started to do business, establishing together with a few other graduates of MFTI his first company “AragornSoft”, which was developing system solutions in the sphere of IT-technologies. Starting from 1993 “Tsentralnaya Optovaya Metallobaza” company, established by the same partners, engaged in trading of ferrous material and ferro-alloys, soon becoming one of the biggest metal traders in the territory of CIS.

Since 1993, Konstantin Grigorishin is engaged in art collection, since 2004 on permanent basis his art collection is managed by Olga Vaschilina. By 2012, he owned 238 oil on canvas paintings and about 500 pages of graphics. Today part of his Russian collection is seized by the court.

In 1995, having divided the business with former partners, together with a new partner established “Sozidanie” firm.

From 1996 to 2000, during big privatization campaign in Ukraine, Konstantin Grigorishin invested in controlling and material shareholdings of a number of metallurgic, industrial machine building, transport-logistics and energy distribution (so-called oblenergo) companies. Business assets of Grigorishin, including in energy, industrial machine building and transport-logistics sectors, mainly located in the territory of Ukraine. Grigorishin is the majority investor in established by him in 2005 Energy Standard Group, which indirectly owns material or controlling shareholdings in a number of enterprises in Zaporizhzhia and a couple of Ukrainian regional energy-distribution companies (oblenergo).

During one of the attacks on his business in 2002, Grigorishin was arrested. That provocative act was discussed at the hearings in the House of Lords of the UK and covered in the speech of Victor Yushenko, the leader of Ukrainian opposition at the time being, in Verkhovna Rada of Ukraine. Grigorishin spent a week in detention and after then the charges were withdrawn. After being released, Grigorishin accused Grigoriy Surkis and Victor Medvedchuk in organization of said provocative act. Being concerned about his and his family’s safety, Grigorishin had to leave Ukraine and temporary moved to Moscow. According to Konstantin Grigorishin’s words, that all led to necessity, as a countermeasure to protect his business, to engage in politics and support opposition.

In 2007, Energy Standard Group acquired controlling shareholding in “Ukrrichflot” company.

In December 2008 filed a claim to the High Court of Justice in London against Igor Surkis and Valentin Zgurskiy, the shareholders of “Dynamo Kyiv” football club, regarding preemption right to buy 98% of shares in “Dynamo Kyiv” for 32 mln USD. According to Grigorishin, he was defrauded in 2004 when he was not allowed to exercise the right of preemption.

In 2008 the Security Service of Ukraine prohibited Grigorishin to enter the country for five years in connection with organization of “raider” (hostile takeover) attacks on Turboatom company. In June 2009, Kyiv Administrative Court of Appeal upheld the decision of the court of the first instance, which recognized the actions of the Security Service as unlawful.

In 2009 filed a lawsuit to invalidate the agreement on sale in 2006 of 61% shares in “UNTK” company, which controls broadcasting licence of “Inter” TV-channel. On 26 February the Commercial Court of Kyiv ordered to arrest the shares of the TV-channel and demanded Ministry of Interior and General Prosecutor’s Office to investigate the circumstances of death of Igor Pluzhnikov, the former owner of the TV-channel, and subsequent sale of controlling block of shares in December 2009 to the companies of Valeriy Khoroshkovskiy. That lawsuit was treated as one of confrontation acts between Ukrainian Prime Minister Yulia Timoshenko and businessman Dmitry Firtash.

Main sport activity of Grigorishin is swimming, where he qualified as a master at international class. In 2009, he established Energy Standard Swimming Club, where he holds a position of the President, and a swimming team of the same name. In 2013, Energy Standard Group became a sponsor of Ukrainian Swimming Federation and created prize money fund for the swimmers for upcoming World Cup. In 2018, established International Swimming League, in the first season of which world’s top-tier swimmers competed in eight teams (four European and four North American).

In June 2010, Konstantin Grigorishin became an investor for upcoming season for “Sumy” football club playing in second division and paid up club’s debts of 640 thousand UAH. In February 2011, “Yubileyniy” stadium in Sumy was purchased for 10 million UAH where the club is now based.

In 2000th was named as one of key financiers of the Communist Party of Ukraine which he ceased to support in 2012. According to Grigorishin’s own words, he supported the Communist Party of Ukraine because “he needed protection from Yanukovich”. In the same time he was considered as one of the sponsors of “Orange Revolution”, although he denied it.

In 2012 “Forbes” magazine estimated Grigorishin’s wealth at US$1.2 billion, in 2011 – at US$1.3 billion, in 2013 – at US$1.814 billion.

In its turn, Ukrainian magazine “Focus” in 2012 estimated total value of assets owned by Grigorishin at US$2.019 billion (7th place in the list of wealthiest Ukrainians), in 2015 – at US$920 million (6th place).

On 15 March 2016 applied for Ukrainian citizenship on “the territorial origin” principle – on the grounds of birth or permanent domicile in Ukraine before August 24, 1991, and was granted Ukrainian citizenship in May of the same year.

In energy distribution has controlling shareholdings in Lugansk and Vinnitsa regional energy distribution companies, the rest six oblenergo in question (Zaporizhzhia, Poltava, Sumy, Chernigiv, Cherkassy (30%) and Ternopil) are controlled together with other shareholders, amongst which is Ihor Kolomoyskyi (starting from 2010 Poltava, Sumy and Chernigiv oblenergo were managed jointly with Kolomoyskiy. According to “Ekonomicheskaya Pravda”, in spring 2016 preparation to divide assets has started, upon results of which Kolomoyskiy will obtain Poltava oblenergo). From the beginning of 2000th indirectly owns investments in majority shareholdings of “Zaporozhtransformator” (monopolist in production of Ukrainian power transformers and reactors) and “Zaporozhskiy Kabelniy Zavod”.

According to Arseniy Yatsenyuk, Prime Minister of Ukraine in 2014–2015, Grogorishin controls Ukrainian energy sector. On January 20, 2016 on the Cabinet of Ministers session Yatsenyuk officially applied to the Security Service of Ukraine with a request to investigate connection of Grigorishin to financing of anti-Ukrainian political forces (including the Communist Party) and his cooperation with FSB. Grigorishin himself actively criticized Yatsenyuk whom he treated very negatively.

On 15 March 2016 applied for Ukrainian citizenship. The grounds for this were mentioned birth or permanent domicile in Ukraine before August 24, 1991.

In 2014-2015 Konstantin Grogorishin actively criticized Prime Minister Arseniy Yatsenyuk whose work on said position he treated very negatively. In response, Arseniy Yatsenyuk on January 20, 2016 on the Cabinet of Minister’s session accused Grigorishin of sabotage activities and work for foreign intelligence service.

On April 13, 2016 at the hearing at the Moscow City Court, the investigator announced that Konstantin Grigorishin had been put on the wanted list in connection with tax evasion case for 675 mln RUB. The prosecution believes that Grigorishin together with his partner have not paid taxes for 675 934 000 RUB, and, therefore, inflicted damage to the state budget in the same amount.

On May 9, 2016, the London Court of International Arbitration decided in favor of Vadim Novinskiy and Vladimir Lukyanenko, minority shareholders of Sumy NPO named after M.V. Frunze, against the majority shareholder, Konstantin Grigorishin. According to arbitration award, Grigorishin had breached shareholders’ agreement and, therefore, is obliged to pay the plaintiffs more than 300 mln USD. Until the end of 2018 the arbitration decision was not abided, in summer 2019 Grigorishin and Lukyanenko signed the settlement agreement, under which the debt was satisfied by transfer of 29% shares in Kharkivoblenergo and Kharkivenergosbut as well as of the controlling shareholding (more than 50%+1 share) in Sumy NPO named after M.V. Frunze. In December 2019, the deal was closed.

Quite illustrative is the following case. In August 2016 some Khasan Ediev (native-born of Dzhalka village of Gudermes district of Chechnya, whose monthly income according to filed tax returns varied from 20 to 100 thousand RUB) filed a claim to the District Court of Gudermes against Konstantin Grigorishin for repayment of principal debt, accrued interest and sanctions under the loan agreement.

It went about 110 mln USD in cash in hand which Khasan Ediev allegedly provided to Konstantin Grigorishin, and which the latter has not returned. On 10 November 2016, the District Court of Gudermes awarded Grigorishin to pay 230 mln USD. Subsequently, in October 2017 this decision was upheld by the order of the High Court of Chechen Republic, after which enforcement proceedings were commenced. In December 2017, bailiffs accompanied by the representatives of Khasan Ediev arrived at apartments and house in Moscow owned by Konstantin Grigorishin with the aim to organize eviction of said real estate and movable property located there. Moreover, the bailiffs subsequently arrested that real estate, already arrested in course of criminal case against Grigorishin.

On 1 November 2018, Konstantin Grigorishin became one of 322 individuals against whom the sanctions were imposed by the Decree of the Government of the Russian Federation.

On February 26, 2020 Pecherskiy District Court of Kyiv supported Konstantin Grigorishin’s claim against the Cabinet of Ministers of Arseniy Yatsenyuk for defense of reputation and goodwill and refutation of false information. The Court ruled to refute false information spread by Arseniy Petrovich Yatsenyuk, which undermined reputation and goodwill of Konstantin Ivanovich Grigorishin that “he is an example of those who steels funds from the budget and then finances anti-Ukrainian political forces and reports to FSB and is the agent of FSB”. The Court obliged former Prime Minister and the Cabinet of Ministers to refute circulated false information.

In 2020, acted as organizer for International Institute of Political Philosophy.