Senior Leadership
At BSK, we are more than just engineers, scientists, chemists, technicians, inspectors, and project managers. We are a dedicated team of professionals focused on developing solutions for our clients and working toward constant improvement within our industry. We are a team committed to giving back to our communities by engaging in volunteer efforts which benefit the areas in which we work and live.
Mark Pomaville, Safety Director
Mark Pomaville, Safety Director
Mark Pomaville, BSK’s Health and Safety Director, graduated from Cal Poly, San Luis Obispo, with a degree in Natural Resources Management, and started his career at BSK in 1990, initially hired as a Fresno Materials Laboratory technician. Within a few months he moved to the Fresno Environmental group as a staff scientist providing field support services for groundwater monitoring, soil and soil vapor assessments, and conducting Phase I Environmental Site Assessments. In time, he transitioned to project manager to manage soil and groundwater remediation projects and preliminary environmental assessments for new school sites. Mark then transitioned to corporate safety to maintain regulatory compliance, health and safety training coordination, injury and accident prevention and workers’ compensation claim coordination. He is also the Radiation Safety Officer for the Geoprofessional services.
Mark enjoys all things related to aviation. He is a member of several local aviation organizations that include search and locate activities for lost and missing persons. He also enjoys attending air shows and aviation photography.
Elizabeth Bunger, Regional Laboratory Manager
Elizabeth Bunger is the Regional Laboratory Manager overseeing all 4 satellite locations operations to ensure high quality standards are being held. Elizabeth graduated from Eastern Washington University receiving a degree in both Chemistry and Biology. She has 15 years of experience in the laboratory industry, is a board member in the Oregon Environmental Laboratory Association, is active with the Academic Advisory Board for the Portland Community College Bioscience program and was a BSK Trustees for six years.
Elizabeth loves spending time with her family during her free time. Her 2 small children keep her on her toes while she is not at work. Her hobbies include running, crafting, and golfing. She also has a passion for efficacy and team building, putting a lot into developing her team’s talent.
Elizabeth Bunger, Regional Laboratory Manager
Joshua Ladd, IT Manager
Joshua Ladd, IT Manager
Joshua Ladd serves as BSK’s IT Manager, overseeing information technology needs and strategy for BSK’s operational divisions and corporate services. Joshua holds a bachelor’s degree in IT. Prior to joining the BSK team in 2016, he successfully ran an IT consulting business for 10 years in California’s Central Valley, where he administered the networks of numerous small businesses and non-profits. As an advocate for data privacy and security practices, Joshua started with BSK as the Network Security Administrator. Joshua’s passion lies in quality service and operational efficiency.
Joshua lives in SE Idaho with his family and several pets. His hobbies are reading and home organizing, and he loves theater and scenic drives.
Cristiano Melo, Livermore Branch Manager
Cristiano Melo joined BSK in 2013, as a Senior Geotechnical Engineer at the Livermore Branch. He served on BSK’s Board of Trustees from 2014 to 2019. He currently serves as the Branch Manager for BSK’s Livermore, San Jose, and Tracy offices. Cristiano has overseen geotechnical investigations and provided construction materials testing services in the San Francisco Bay Area and California’s Central Valley since 2000. Cristiano is a native of Salvador, Brazil. Cristiano earned his Bachelor of Science degree (1997) and Master of Science degree (2000) in Civil Engineering at the University of Idaho in Moscow, Idaho where he also met his wife, Maria. His Master of Science degree thesis focused on seismic slope stability analysis.
Cristiano is a California licensed Civil and Geotechnical Engineer and is also a licensed Civil Engineer in the state of Nevada. He currently serves on the annual conference planning committee for the Northern California Chapter of the American Public Works Association (APWA). He is also a past chairman and board member of the San Francisco Geo-Institute (SFGI). Cristiano has a diverse geotechnical engineering background supporting public and private projects from conceptual design through construction, including projects involving water and wastewater, tanks, pipeline, refinery, multi-story buildings, public schools and colleges, hospitals, emergency facilities, parks, pedestrian trails, retaining walls, pavement rehabilitation, roadways, pedestrian and vehicular bridges, and residential subdivisions. His expertise includes shallow and deep foundations, retaining walls, pavement rehabilitation, earthwork, hillside grading, site drainage, subgrade stabilization, slope stability analysis, geologic and seismic hazards evaluations, and peer reviews.
Cristiano’s passions are watching his kids play competitive soccer, watching professional soccer, and reading about world events and history. Cristiano enjoyed coaching his kids’ recreational soccer teams between Fall of 2022 and 2023. He also enjoyed being an indoor and outdoor soccer referee between 2019 and 2023.
Cristiano Melo, Livermore Branch Manager
Kevin Grove, Managing Principal
Kevin Grove, Managing Principal of Environmental Services
Kevin Grove is Managing Principal of Environmental Services, bringing 13 years of environmental consulting experience. He has managed Phase I and Phase II Environmental Site Assessments, Preliminary Environmental Assessments, composting facility permitting, Waste Discharge Requirement facility permitting, and CEQA special studies. His background also includes aerially deposited lead surveys, paint-stripe sampling and analysis, GIS figure preparation, aerial photograph interpretation, and environmental documentation support. Kevin leads with a focus on responsiveness, technical expertise, and relationships, aligning client needs with practical solutions while supporting the success of his team and colleagues. He holds a B.S. in Environmental Policy, Analysis, and Planning from the University of California, Davis, with a minor in Managerial Economics.
Outside of work, Kevin enjoys time with his wife, Samantha, and their two boys, Forty and Brooks, as well as golfing, watersports, snowboarding, hiking, and barbecuing.
Robert “Tony” Martin, Principal Geologist
Tony joined BSK in 2013 and is a Principal Geologist and our Environmental Discipline Lead company wide. Although he is based out of our Sacramento Office, he works on projects throughout California and in Oregon and Washington. Tony also served on BSK’s Board of Directors for several years. Tony grew up in the Fresno area and later received his bachelor’s degree and continued post-baccalaureate studies at California State University at Fresno.
Tony is a licensed Geologist in California, Oregon and Washington with over 35 years of professional experience. He was a past president of the Sacramento Chapter of the American Public Works Association (APWA) where he also served in many other capacities. He is also a past president of the San Joaquin Engineers Council and has been active with the Geoprofessional Business Association (GBA) and the American Council of Engineering Companies (ACEC). He is highly experienced on a variety of environmental, geologic and water resource projects. He is very knowledgeable on a variety of common and emerging contaminants including but not limited to 1,4-dioxane and PFAS compounds. He also provides expert witness services on a variety of environmental projects.
Tony has a history of auto racing and target shooting. He is active in a variety of community organizations and likes to spend time with friends and family.
Robert “Tony” Martin, Principal Geologist
Adam Terronez, Bakersfield Branch Manager
Adam Terronez, Bakersfield Branch Manager
Adam Terronez is BSK’s Bakersfield Branch Manager. Adam has overseen geotechnical investigations and provided construction materials testing services in Kern County and Southern California for more than 19 years. Adam is a native of the Central Valley and graduated from California Polytechnic State University, San Luis Obispo in 1998 with a Bachelor of Science degree in Civil Engineering. From 1999 through 2003 he undertook post-graduate studies with a geotechnical emphasis at San Diego State University. In 2017 Adam completed his Master of Science degree in Civil Engineering (Geotechnical Earthquake Emphasis) at University of California, Los Angeles by completing the thesis track and research related to ground response amplification of fine-grained and highly organic soils.
Adam is a California licensed Civil and Geotechnical Engineer and is also a licensed Civil Engineer in the states of Arizona, Nevada, New Mexico, Texas, Colorado, Idaho, Utah, Oregon, Washington, and Hawaii. Adam currently serves on the Board of American Society of Civil Engineers (ASCE), Southern San Joaquin Chapter and the Kern County Branch of American Council of Engineering Companies (ACEC). He is also a member of American Public Works Association (APWA) and is a Fellow Executive for American Heart Association’s Heart Walk in Kern County. His projects have been assigned by private, public, and municipal entities in water/wastewater facilities, pipelines, canals, levees, retaining walls, roadways, highways, bridges, schools, hospitals, parks, multi-story buildings, commercial office complexes, major retail centers, residential, airports, police, fire, and prison sites.
During his time away from the office, Adam enjoys spending time with family and friends, and is an enthusiastic soccer dad.
Stuart Buttram, Fresno Laboratory Director
Stuart Buttram is the Laboratory Director for our Fresno Analytical Laboratory and brings 40 years of experience in the environmental laboratory industry. Throughout his career, he has provided leadership in laboratory operations, quality assurance, regulatory compliance, certifications, and method validation and development, helping organizations maintain the highest standards of accuracy, accountability, and performance.
In his current role, Stuart is responsible for ensuring the laboratory remains fully accredited, compliant, efficient, and profitable while delivering timely, defensible data that clients can rely on for informed decision-making. He believes that exceptional client service begins with a strong, communicative, and accountable team, and he is committed to fostering a culture where quality, collaboration, and responsibility drive results.
Stuart holds a Bachelor of Science in Chemistry from California Polytechnic State University, San Luis Obispo. Outside of work, he enjoys golf, fishing, cars, and spending time with his family, while taking pride in helping the laboratory succeed in every aspect of client satisfaction and quality.
Stuart Buttram, Fresno Laboratory Director
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