Looking for adsense professional

Hi my name is david. I have been running websites since 2014. All with adsense on them, 1,5 years ago my rpm ranged between 8 and 20 euro. I took a long break at the beginning of 2016 and now just got back in to it again. My average rpm over the years has been 12 euro see picture. this month the rpm has an avarage of 4,50 eu. I am looking for someone that's knows everything about cpc and ctr and who can assist me in getting my rpm back up to atleast 10 euro. If you think you are able to fulfill this and are looking to build a long term business relationship. let me know!