Foreign advisors to the government in Meiji period Japan

were men and women who were employed by the government of Japan in the early Meiji period.Eder, Elizabeth K. (2003). Constructing Opportunity: American Women Educators in Early Meiji Japan, p. 233.   These western experts were invited to come to Japan to share their specialized knowledge..Perez, Louis G. (2013). Japan at War: An Encyclopedia, pp. 306-307.

History
The oyatoi came from many nations.  By the 1870s, they were employed in many projects of the government.

The strategy of employing oyatoi was ended in 1899.

References

Other websites
 "Meiji era (1868-1912)" at Dentsu Advertising Museum