How to to write an Acknowledgement or Preface for a project ?

I am very thankful to everyone who all supported me,for i have completed my project effectively and moreover on time.

I would like to express my special thanks of gratitude to my teacher___________ as well as our principal_________who gave me the golden opportunity to do this wonderful project on the topic__________, which also helped me in doing a lot of Research and i came to know about so many new things .

Last but not the least, I would like to thank my parents who helped me a lot in gathering different information, collecting data and guiding me from time to time in making this project .despite of their busy schedules ,they gave me different ideas in making this project unique.

I am making this project not only for marks but to also increase my knowledge .

Thanking you

After the Resignation of the Ex-CEO Steve Jobs  of the  Apple company the next future CEO would be Tim Cook