) is an engineer

Engineer

An engineer is a professional practitioner of engineering, concerned with applying scientific knowledge, mathematics and ingenuity to develop solutions for technical problems. Engineers design materials, structures, machines and systems while considering the limitations imposed by practicality,...

 best known for his position as head of Scuderia Ferrari

Scuderia Ferrari

Scuderia Ferrari is the racing team division of the Ferrari automobile marque. The team currently only races in Formula One but has competed in numerous classes of motorsport since its formation in 1929, including sportscar racing....

's Engine Department from 1994

1994 Formula One season

The 1994 Formula One season was the 45th season of FIA Formula One motor racing. It featured the 1994 FIA Formula One World Championship which commenced on March 27, 1994, and ended on November 13 after sixteen races. The season is remembered as one of the most tragic and controversial seasons in...

 to 2006

2006 Formula One season

The 2006 Formula One season was the 57th season of FIA Formula One motor racing. It featured the 2006 FIA Formula One World Championship which began on March 12 and ended on October 22 after eighteen races. The Drivers' Championship was won by Fernando Alonso of Renault F1 for the second year in a...

.

Career

Martinelli studied Mechanical Engineering

Mechanical engineering

Mechanical engineering is a discipline of engineering that applies the principles of physics and materials science for analysis, design, manufacturing, and maintenance of mechanical systems. It is the branch of engineering that involves the production and usage of heat and mechanical power for the...

 at Bologna University, graduating in 1978. He joined Ferrari

Ferrari

Ferrari S.p.A. is an Italian sports car manufacturer based in Maranello, Italy. Founded by Enzo Ferrari in 1929, as Scuderia Ferrari, the company sponsored drivers and manufactured race cars before moving into production of street-legal vehicles as Ferrari S.p.A. in 1947...

 immediately, at first working on engine design for the company's production cars. In 1994

1994 Formula One season

The 1994 Formula One season was the 45th season of FIA Formula One motor racing. It featured the 1994 FIA Formula One World Championship which commenced on March 27, 1994, and ended on November 13 after sixteen races. The season is remembered as one of the most tragic and controversial seasons in...

 he was appointed head of the Formula One

Formula One

Formula One, also known as Formula 1 or F1 and referred to officially as the FIA Formula One World Championship, is the highest class of single seater auto racing sanctioned by the Fédération Internationale de l'Automobile . The "formula" designation in the name refers to a set of rules with which...

 team's Engine Department, where he took the decision to ditch the commitment to running V12 engine

V12 engine

A V12 engine is a V engine with 12 cylinders mounted on the crankcase in two banks of six cylinders, usually but not always at a 60° angle to each other, with all 12 pistons driving a common crankshaft....

s in favour of V10s

V10 engine

A V10 engine is a V engine with 10 cylinders in two banks of five with a distinct exhaust note.- Mechanics :The V10 is essentially the result of mating two even-firing straight-5 engines together. The straight-5 engine shows first and second order rocking motion...

. The first V10-powered Ferrari raced in 1996

1996 Formula One season

The 1996 Formula One season was the 47th season of FIA Formula One motor racing. It featured the 1996 FIA Formula One World Championship, which commenced on March 10, 1996, and ended on October 13 after sixteen races...

, and the team used this configuration to win five Drivers' and six Constructors' Championships before rules were brought in stipulating the use of V8s

V8 engine

A V8 engine is a V engine with eight cylinders mounted on the crankcase in two banks of four cylinders, in most cases set at a right angle to each other but sometimes at a narrower angle, with all eight pistons driving a common crankshaft....

 for 2006

2006 Formula One season

The 2006 Formula One season was the 57th season of FIA Formula One motor racing. It featured the 2006 FIA Formula One World Championship which began on March 12 and ended on October 22 after eighteen races. The Drivers' Championship was won by Fernando Alonso of Renault F1 for the second year in a...

.

In October 2006, Martinelli moved to an executive role within Fiat

Fiat

FIAT, an acronym for Fabbrica Italiana Automobili Torino , is an Italian automobile manufacturer, engine manufacturer, financial, and industrial group based in Turin in the Italian region of Piedmont. Fiat was founded in 1899 by a group of investors including Giovanni Agnelli...

, Ferrari's parent company. His position in Ferrari was taken over by Gilles Simon

Gilles Simon (Formula One)

Gilles Simon is the French former head of the Ferrari Formula One team's Engine Department from 2006 to 2009...

.