2019 Thought Leaders

Patty Mamola, P.E.
Executive Director
Patty Mamola, P.E., chair of the 2019 Global Marathon, has more than 30 years of experience in engineering and construction management. She is sole owner of Bowling Mamola Group in Nevada (U.S.). Formerly with the Nevada Department of Transportation and PBS&J (now Atkins), Patty became Executive Director for the Nevada State Board of Professional Engineers and Land Surveyors in 2016. She served as president of the National Council of Examiners for Engineering and Surveying, the first woman in the organization’s 98-year history to do so. She is a governing member of the International Engineering Alliance. Patty is a civil engineering graduate of the South Dakota (U.S.) School of Mines and Technology.
The Nevada Board of Engineers and Land Surveyors
Rochelle Diamond

Rochelle ‘Shelley’ Diamond is Professional Staff at the California (U.S.) Institute of Technology.  She is applications specialist and facility manager of Caltech's Flow Cytometry/Cell Sorting Facility, servicing various university departments as well as the Jet Propulsion Laboratory. She is also a researcher and lab manager for Caltech's developmental immunology group. Rochelle is a fellow of the American Association for the Advancement of Science and chairs the board of directors of the National Organization of Gay and Lesbian Scientists and Technical Professionals. She has received numerous awards for her LGBTQ diversity work and has been listed in ‘Who's Who in Science and Engineering’ and ‘Who's Who of American Women’.

Professional society that advocates for LGBTQ professionals
Doris B. Gonzalez
Manager, Employee Communications

Doris Gonzalez is manager of IBM employee communications. She brings to her role more than three decades of experience in the private and public sectors, focusing on education and workforce development. Doris has a deep commitment to diversity and inclusion, as demonstrated by her service on multiple boards, including the Bronx Community College Foundation, ASPIRA of New York City and Youth Communication. She has been recognized by LatinaStyle magazine as one of the top five Latina corporate executives in the U.S., and received the Women of Excellence Award from the National Association of Female Executives. She lives in the Bronx, NY with her daughter.

Multinational technology and consulting corporation
Mimi Irvin
Fluor Materials Management Director
Fluor Materials Management Director Mimi Irvin received a B.S. degree in Electrical Engineering from Southern University and A&M College in Louisiana (U.S.). In 2017, ENR (Engineering News Record Magazine) recognized her as Top Young Professional (for Texas and Louisiana). Mimi has more than 14 years of experience, including electrical and design engineer, estimator, product director for electrical equipment, and international sales coordinator. She combines her engineering background with her passion for fashion and launched “Got STEM Style?" to help young people discover an interest in science, technology, engineering and math (STEM) careers. Vice chair of the 2019 Global Marathon.
Leading engineering construction company.
Randall Lum
Corporate Director of Engineering
Randall Lum is Corporate Director of Engineering at Northrop Grumman Corporation. He oversees engineering for large-scale, mission-critical systems and provides direction to engineering leadership. He has more than 25 years of experience in systems engineering and program management. Previously, he held a number of executive roles at Science Applications International Corporation. Randall is involved in community activities as well as in service to the aerospace and defense industries, where he chairs a committee for the Aerospace Industries Association. He earned his bachelor’s degree in computer engineering and master’s in electrical engineering from the University of the Pacific (U.S.).
Global security company.
Mallory Langford, P.E.
Work Progress and Strategy Engineer
Mallory Langford, P.E., is at Bechtel’s Global Headquarters where she is the Work Process and Strategy Engineer for Corporate Engineering and Technology. She first worked for Bechtel as an intern and in 2012 started as an Advanced Simulation and Analysis Engineer for Bechtel Systems & Infrastructure. Mallory is active in various Bechtel Business Resource Groups (Women@Bechtel) and has also served as the Professional Networking Chair and President of various NextGen chapters. She earned her undergraduate and graduate degrees in mechanical engineering from Carnegie Mellon University (U.S.).
Engineering, Construction & Project Management
Roseanne O'Leary
STEPS Executive

Roseanne O’Leary is STEPS Team Leader with Engineers Ireland, the country’s professional body for engineers. STEPS is a non-profit outreach program that promotes interest and awareness in engineering as a future career to school students through a portfolio of projects funded under Science Foundation Ireland’s Discover program call.  She manages day-to-day operations as well as short and long-term strategies. Roseanne has worked in education and public engagement for six years. She is an avid promoter of STEM and oversees events and activities to promote engineering to girls. Her undergraduate degree is from University College-Dublin with her Master in Science from the Dublin Institute of Technology.



The professional body for engineers in Ireland.
Cassandra Polyzou
Interim Manager of Diversity and Outreach
Cassandra Polyzou has worked on social justice and public engagement issues for 20 years. As the Interim Manager of Diversity and Outreach at Engineers Canada, she works to increase numbers of women in engineering, as well as to improve Indigenous Peoples’ access to the engineering profession in Canada. Previously, Cassandra was the Public Engagement Coordinator for the Ontario Council for International Cooperation. She has an M.A. degree in Cultural Analysis and Social Theory from Wilfrid Laurier University, and a Bachelor of Environment and Resource Studies from the University of Waterloo (Canada). Her training and volunteer work in LGBTQ+ advocacy, environmental campaigns, grassroots mobilization, and anti-oppression have continued to motivate and educate her work.
Promoting Canada's engineering profession.
Nita Patel, P.E.
IEEE Women in Engineering International Past-Chair

Nita Patel, P.E., is Senior Director for Engineering at L3 Warrior Sensor Systems in New Hampshire (U.S.). Nita is the founder of the Institute of Electrical and Electronics Engineers (IEEE) Women in Engineering (WIE) International Leadership Conference and has served as WIE International Chair, first vice president of the IEEE Computer Society, and on the Eta Kappa Nu Board of Governors. Nita is active as a Distinguished Toastmaster and multi-club officer with Toastmasters International and as a Senior Director with the United States Chess Federation. Nita received her Computer Engineering M.S., Electrical Engineering B.S., and Mathematics B.S. from Southern Methodist University (U.S.).

Organization that promotes women engineers & scientists
Dora Renaud
Senior Director Academic Programs & Professional Development
Dora Renaud is the Society of Hispanic Professional Engineers’ (SHPE) Senior Director of Academic Programs and Professional Development. She develops and manages of grants, scholarships, programs, and membership. Prior to working at SHPE, she was a school administrator and international literacy trainer. For more than a decade, Dora has been part of the American College of Education faculty, impacting educators across the world. She has served on the boards of directors for the Association of Hispanic School Administrators and Chess for Humanity and is a Fellow of the Teaching Trust Executive Leadership Teams Program. She earned her Ph.D. in education administration from the University of Texas -Austin (U.S.) Superintendency Program.
Society of Hispanic Professional Engineers
Carol L. Smith
Lead Market Surveillance Engineer
Carol Smith is Lead Market Surveillance Engineer at UL (Underwriter’s Laboratories) in Illinois (US), investigating concerns related to UL certified products. An electrical engineer, she has more than 25 years’ experience in testing, evaluating, and certifying products for compliance to safety standards. Carol has conducted a variety of public UL safety seminars. She is vice chairman for an IEEE Product Safety Engineering Society chapter and Vice President of Education for UL’s Toastmaster Club. She earned her degree from the University of the Pacific School of Engineering and Computer Science in California (US).
Paula Solar
Professional Master Industrial Engineer
Paula Solar is a Professional Master Industrial Engineer with a masters degree in business administration. She has 14 years of engineering and operations experience and has led the Asturias (Spain) Site Capital Engineering Team at DuPont since 2012. Currently, she combines this role with operations responsibilities at the Nomex® Asturias Unit for both Safety, Health and Environment as well as for shift operations facilitation. Previously she was at Alcoa and, during her 11 years at DuPont, Paula has worked project phases from initial conceptual design through construction. Paula received her master degree in industrial engineering master degree from Oviedo University and her business degree from Madrid's European Business School (EEN).
A science company dedicated to solving challenging problems.
Anne-Marie Walters
Industrial Marketing Director Process and Resources

Anne-Marie Walters is Bentley’s Industry Marketing Director for Process and Resources. Industries include oil & gas, process & discrete manufacturing, power generation, and mining. Anne-Marie is a chartered chemical engineer, founding member of the Process Industries STEP Consortium (PISTEP) Committee, and has served on the boards of CIMsteel and the United Kingdom’s chapter of the International Alliance for Interoperability (IAI). She is a frequent guest speaker at industry events all over the world. Prior to working for Bentley she worked for Sema Group, Intergraph, BP, and ICI. 

Solutions for advancing infrastructure.