Pacific Gas and Electric Co. (PG&E) President Christopher Johns, 54, said he plans to retire at the end of this year, and PG&E CEO Tony Earley said the company's board is expected to approve Johns' replacement before the retirement is effective. Johns joined PG&E in 1996 as vice president and controller, following a career as a certified public accountant at KPMG Peat Marwick LLP where he was a partner. He was named PG&E CFO in 2005 and became the utility president in 2009.