Rosemarie Guzman, MBA

She attributes her success to perseverance, continuous learning, and a willingness to take on new challenges throughout her 21-year career in the water utility industry. Starting as an electrical engineer and progressing through roles in capital project delivery, construction management, and production operations at California Water Service Company, she has developed a well-rounded understanding of water system infrastructure from design through field execution. A major influence in her early career was her original hiring manager, who served as a key mentor and helped build her confidence during her formative years as an engineer. Inspired by that guidance, she now gives back through her volunteer mentorship with the Association of Women in Water, Energy and Environment, where she encourages women and young girls pursuing careers in traditionally male-dominated fields, emphasizing confidence, professional growth, and the importance of representation in the industry.

I would say, go for it, there is nothing holding you back. I know sometimes a younger female student or entry level individual will see and think, "oh, that's a guy's job, so it's probably not for me," but that is not the case. If you're interested in it, you could be that one that leads the way for everybody else. There's nothing that makes you less capable of doing these roles if you set your mind to it. There are plenty of jobs in this industry that could use someone like you. In my current role, I'm the only female in the management team here at the Stockton district. I like to believe the difference of perspective is kind of refreshing, and brings balance.

The values most important to her in both her professional and personal life center on service, mentorship, integrity, and continuous growth. She places a strong emphasis on doing meaningful work that directly supports public health and community well-being through reliable water infrastructure, while maintaining a deep commitment to accountability, safety, and operational excellence in her role at California Water Service Company. Equally important is her belief in lifting others as she advances, which is reflected in her active mentorship and volunteer work with the Association of Women in Water, Energy and Environment and other professional organizations. Through these efforts, she is dedicated to encouraging women and young girls to pursue careers in traditionally male-dominated fields, fostering confidence, inclusion, and professional development.