OLA is pleased to announce the recent promotion of Christine DiSisto, P.E. from Senior Engineer to Associate. Ms. DiSisto has been with the firm for almost nine years in the Mechanical Engineering Services Group where she specializes in fire protection system design. Ms. DiSisto has extensive experience in all facets of fire protection engineering: fire alarm, fire sprinkler, fire suppression, mass notification and smoke control systems. She is also a dedicated, active member of several professional organizations, including Professional Women in Construction and the Society of Fire Protection Engineers.