Pilot Dan Ștefănescu, the right wing of the aerobatic display team "Iacării Actobaţi" (the Aerobatic Yakers) at Aeronautic Show 2016 Lacul Morii, Bucharest, Romania.
What a great sport with a lot of passion for what he does. His full-time job is as B737 airline pilot.

This Yak-52 is modified with a tailwheel and a western 3-bladed propeller and avionics fit. A little known fact is that all Yak-52s were produced under license in Bacău, Romania.

Wikipedia:
Yakovlev Yak-52m Aircraft model

The Yakovlev Yak-52 is a Soviet primary trainer aircraft which first flew in 1976. It is still being produced in Romania by Aerostar, which gained manufacturing rights under agreement within the now defunct COMECON socialist trade organisation.
Top speed: 285 km/h
Range: 550 km
Cruise speed: 230 km/h
Wingspan: 9.3 m
Length: 7.48 m
Engine type: Vedeneyev M14P
Manufacturers: Yakovlev, Aerostar