Numbers	Job Position	Age	Education	Field	Engaged in Engineering Construction Industry	Engaged in Mega Infrastructure Project
1	Project-level leadership	43	Bachelor’s	Project supervision and consultation	11–20 years	6–10 years
2	Middle manager	45	Bachelor’s	Party A’s management	11–20 years	1–5 years
3	Middle manager	38	Bachelor’s	Project supervision and consultation	11–20 years	11–20 years
4	Top manager	35	Master’s	Party A’s management	6–10 years	1–5 years
5	Top manager	48	Master’s	Party A’s management	21–30 years	11–20 years
6	Top manager	52	Bachelor’s	Project supervision and consultation	21–30 years	11–20 years
7	Project-level leadership	43	Master’s	Project supervision and consultation	6–10 years	6–10 years
8	Middle manager	47	Master’s	Construction management	21–30 years	11–20 years