About

Joseph’s business experience is instrumental in the growth of the organization. He spent the vast majority of his career in the rail industry, achieving the role of the President of Diverging Approach. Prior to coming to DAI, he spent 20 years in crossing and wayside design, management of S&C construction, signal house manufacturing, project management over major commuter projects and executive levels in bids and proposals.

Allan leads DAI in software programming, wayside engineering and commissioning of systems. Allan has extensive experience in design and field installation applications on major transit systems. Allan is approved on every major transit systems in California as a lead signal engineer and holds an electrical engineering degree from New South Wales Institute of Technology.

Karsten has an extensive background in railroad design. His experience includes the design and software for major expansion and PTC projects with Class I Railroads, Transit and Street Car Systems utilizing every major manufacturer’s equipment in grade crossing & wayside system design. Mr. Grover’s experience entails over 10 years as an Engineer and 5 years in management of Design Engineers and is an expert is application software logic. Karsten holds degrees from the University of Wisconsin in Applied Physics and Mathematics.

Ion is one of the industry’s premier communication design engineers in the country. He is an expert in the design & commissioning of fiber optic backbone systems, course wave division multiplexing, SCADA, CCTV, PA, network switching among various other aspects of communication systems. He has been in the communication systems industry over (15) years and has rose to one of the most respected Communication’s System Engineers in the industry. Ion also has extensive signal knowledge in circuits, processors and configuration making him a rare talent to the rail industry to have extensive knowledge in both disciplines. He holds a Bachelor’s degree in Information Technology from the University of Moldova and an Associate’s degree in Computer Science and Electronics Engineering from Technical College of Beltsey.

Jami’s experience includes over 15 years in design and design management of large projects located in Seattle, Portland, Chicago and Wyoming. Her accomplishments include management of a large quad track project that utilized split box applications as well as the first application of a frog switch machine. Jami holds a bachelor of science degree from the University of Wisconsin and is an active member of the National Association of Professional Women.

Tom has over 23 years of experience in the railway industry. His experience entailed positions with the California Public Utilities Commission as well as management and supervisory positions on many large transit construction projects across the country. During his tenure with DAI, his experience has included Construction Management of Class 1 PTC projects and commissioning of commuter lines.

Jonathan has 10 years of electrical experience. As a Program Manager, he has managed a vast amount of transit, commuter & Class 1 system projects during his tenure with DAI.  He has also holds 4 patents with his former employer Eaton Corporation  and holds an Electrical Engineering Degree from Penn State University.

Ken’s experience includes 40 years with the Canadian Pacific and Delaware and Hudson Railroad. Ken’s experience included S&C Manager of Construction for the Northeast US and well as various other signal management positions. His talents include design review and extensive knowledge in construction and commissioning of  signal and crossing systems.

Tim  has over 40 years in the railway signal industry. Prior to joining the DAI group, Tim was a grassroots employee and  spent his entire professional career with the Canadian Pacific & Soo Line Railway (Class I). His experience  include supervisory roles in maintenance and construction of grade crossing and wayside systems.

Kathryn has over 17 years of accounting experience  in the private and public agency markets. Prior to joining the DAI team, she held senior accounting positions and managed yearly budgets exceeding $73 million dollars. Kathryn is a degreed accountant from James Madison University and volunteers as a PTA Treasurer at local schools.

Andrew is one of the organization’s top engineers with extensive experience in software programming, plan design and field commissioning.  His roles have included CTC and PTC testing on the Austin Capital Metro System utilizing the Alstom ELXS, testing on VTA Berryessa project that entailed cab signaling speed commands and interlockings utilizing iVPI microprocessor. He has also commissioned the M1 Rail Project in Detroit, Michigan and performed commissioning functions on NCTD, MUNI, MTA and various other railways.  Mr. Nicholls has written hundreds of software programs for Class l railways as well as streetcar and commuter systems. Previous roles have included Signal Construction Foreman, Signal Maintainer, Signal Inspector, Signal Supervisor and Signal Engineer.

Mr. Stemple has an extensive background in signaling, OCS and the management of personnel & projects. His experience includes the management of large scale signaling projects in the railway industry.  His past experience includes the Director of Maintenance, Resident Engineer, Project Manager, Director of Technical Services for the construction of the Tide Passenger System through revenue service.  Additional experience included engineering functions for the largest railway electrical contractor in the US performing traction power systems, train control, communications as well as lift bridges. His previous employment has also included three positions with public transit agencies in managerial roles of train control signal systems. Mark has over 37 years of railroading experience with a Bachelors in Business Administration from Pfeiffer University and an electronics technical degree from Arundel Institute of Technology.