David Bowman

David has over 25 years of industrial experience with a strong focus on operations, maintenance, safety engineering, and organizational alignment. David served in the United States Marine Corps and has held various leadership roles with R&R Marine Maintenance, Chevron, Chevron-Phillips, and Entergy. David started Knowledge Vine, LLC and is the CEO.

David is a subject matter expert in Human Performance and led those efforts for Entergy Corporation for over 12 years. David has a proven track record in organizational effectiveness and alignment which led Entergy to its best record in the history of the company in 2013. David gained his experience and knowledge in the petrol-chemical, nuclear power, fossil fuel generation, utility transmission and distribution industries. David has a Bachelor of Science in Safety Engineering.

David is an effective leader and dynamic speaker. He can engage audiences at any level and is ready to help any organization achieve their full potential. David believes you can have safety, reliability, and quality if you seek to eliminate errors


Trevor Myers

Trevor has 10 years of experience in the electrical utility sector as a lineman.  As an employee of Entergy Corporation, Trevor received awards/recognition for safety and leadership, including Apprentice of the Year (2005), Jeff Keeney Lineman Leadership Award (2014), and SAB Member (2006-2014).

His time as an IBEW Member and a Journeyman Lineman taught Trevor the importance of safety, quality, and professionalism.  His experience and passion allow him to excel at interfacing with the front line work force.  His strength in the class room and the field are second to none.  Now serving as a Director of Knowledge Vine, Trevor oversees utility training and behavior improvement and he is utilizing his experience and business acumen to positively influence the culture in utility organizations through Human Performance and Organizational Alignment.  


Dave Sowers

Dave Sowers has spent the last 25 years in different capacities across several sectors of the industry. He started his career in power generation in the Naval Nuclear Power Program. He spent several years working as a nuclear plant operator for both PSE&G in New Jersey and Entergy in Louisiana. Dave returned to government service with the US Army Corps of Engineers as a Hydro-Electric Control Room Operator, Plant Manager, and Emergency Management Specialist.

Dave has a Bachelor of Science degree in Resources Management from Troy University, a Master of Science in Management degree from Troy University, and a Master of Science graduate certificate in Emergency Management and Homeland Security from George Washington University; he graduated all three programs Summa Cum Laude.

Dave’s experience gives him a unique perspective and the ability to bridge the gaps between an organization’s front-line workforce and their management team. Since he has lived Human Performance from both perspectives he is an effective and credible communicator of its principles and methodologies. Dave Sowers is ready to help your leaders coach and communicate Human Performance to your team.


Ken Hallaran

Ken has spent 18 years in the nuclear power industry.  He started his career in the Naval Nuclear Power Program as a 1st Class Petty Officer in the Reactor Laboratories Division.  After 6 years in the United States Navy he moved into the commercial nuclear industry as an Equipment Operator at Entergy's River Bend Nuclear Station.  Ken has also held the positions of Chemistry Technician, Chemistry Supervisor, and Chemistry/Environmental Manager and obtained a Bachelor's degree in Nuclear Engineering Technology.

Throughout his career Ken has become well versed in human performance, organizational improvement, leadership, and causal analysis.  His experience as a field worker, supervisor, and manager has given him the ability to be effective in multiple areas and levels of an organization.  Whether it is through class room training, field observations, organizational assessment, or causal analysis, Ken can help your organization reach the next level of performance. 


Todd Brumfield

Todd brings more than 30 years of industry experience to Knowledge Vine, including senior leadership positions at utilities in the US and around the world. As a nuclear plant Director he held overall responsibility for key programs including training, security, licensing, nuclear safety culture, emergency preparedness, performance improvement, industrial safety and human performance. As a Team Leader at the World Association of Nuclear Operators (WANO), he led multi-discipline teams in the evaluation of plant performance and startup readiness at stations across the US, China, Mexico, South Korea and Canada. While on an extended WANO assignment in Hong Kong, Todd worked with the four regional centers to develop the performance objectives and criteria that are now being used in pre-startup peer reviews worldwide. He served as Director, Performance Improvement for the Emirates Nuclear Energy Corporation (ENEC) in Abu Dhabi, and has been an invited presenter at international events in locations including Cape Town, South Africa; Vienna, Austria; and Haiyang, China. Todd previously held leadership positions in various areas including training, quality assurance, oversight, and nuclear operations.

Todd earned licenses as a reactor operator (RO) and senior reactor operator (SRO). His degrees and certifications include a Master of Business Administration (MBA), a Bachelor of Science in Nuclear Engineering Technology, and a Six Sigma Black Belt.


Tim Golden

For over 25 years Tim has worked in the electric utility industry. Tim served in distribution operations business units supporting local operations, including outage management, distribution switching, and field design. In the role of process trainer and subject matter expert, Tim provided critical support on processes, systems and procedures used in distribution operations to front-line operations personnel, ranging from work management and resource scheduling to outage management and complaint resolution processes. He supervised and managed training delivery and curriculum development workgroups, leading efforts to redesign training programs which reduced classroom time by 30% while retaining quality of the training delivered. Tim provided leadership at the Corporate Safety level, managing a program development group that included Human Performance for non-nuclear business units. 

Tim holds a Bachelor of Science in Mathematics from Mississippi College in Clinton, MS and is a Certified Occupational Safety Specialist (COSS), and is a lifelong student of adult learning practices.