ads expert who can find leads for the marketing company

I am seeking an ads expert who can help me find leads for our marketing company. Specifically, they should have experience running ads on Google. Our target audience will be businesses, and the goal will be to generate leads. As such, the ads expert needs to be knowledgable about leading edge lead generation techniques on Google and have a proven track record of running successful campaigns for business clients. Additionally, the ads expert should have the ability to formulate and manage creative and optimized campaigns that appeal specifically to businesses with the goal of generating leads.