Stephen Johnson Email & Phone Number

Herndon, Va, Us

Organizational Leadership:- Scaled the team from 5 to 120 engineers (140 total employees) by establishing agile systems and processes for multidisciplinary teams.- Directed recruitment, performance evaluation, and career growth initiatives across 30 programs.Business Development:- Drove corporate growth from $2M to $50M annual revenue by translating customer requirements into technical guidelines.- Led strategic business development initiatives, securing multiple high-value contracts.Product Development:- Defined technical goals for machine learning and data science programs, promoting synergistic development practices.

Herndon, Va, Us

Albuquerque, New Mexico, Us

Manage technical and program side of a variety of scientific applications and programs, including image analysis and computer vision, simulations, and machine-learning applications. Oversight over half a dozen related software and algorithm development programs.Perform physics-based analyses and publish community and internal studies.Design and implement algorithms in C++, Java, and Python on CPUs and GPUs.Manage technical staff; work closely with customers; technical recruitment.Open and lead the Northern Virginia Office for Stellar Science.Author numerous proposals and manage internal SBIR submission process. Win many Phase I SBIRs at well above industry percentage win rates and shepherd Phase II and III efforts.

Arlington, Va, Us

Build internal capabilities for near-real-time signal processing under a variety of constraints. Efforts in GPGPU computing and many-core embedded processors as well as algorithmic enhancements for typical CPU architectures in effort to close the collection gap between data and analysts.Enhance IvySys's technical consulting and research and development services for the intelligence community through applied physics and advanced computing knowledge.

Herndon, Va, Us

Systems engineer for multi-stream HD medical video application. Involved in full product design and development, especially embedded video algorithm development, architecture design, testing, configuration management, system integration, and Scrum-based management.

Reston, Va, Us

Manager of software branch in the Advanced Technologies Division where I developed the strategic plan for software and hardware infrastructure and implemented cross-division right-sized software processes for development of science-based algorithms from concept to running on various hardware choices such as clusters, GPUs, and FPGAs. Duties also included hiring, managing a highly matrixed organization to satisfy diverse program needs, and proposal and technical writing.Independent researcher and implementer of computer vision and digital signal processing algorithms to various data collection scenarios.Engaged in R&D programs and capture of internal and external funding for research programs.

Albuquerque, New Mexico, Us

Small Business Innovative Research (SBIR) computer vision project for 3D model generation from 2D imagery. Success led to current funding of Phase II funding.Project lead in development of specialized cross-platform C++ multi-spectral image analysis and computer vision algorithms for the Department of Defense. Duties include code design, scientific algorithm development and incorporation, user-interface and workflow tuning, and training. Intimately involved in interaction with multiple customer and their feedback into program enhancements. Detailed work in product development, release, and shipment.Coauthor of multiple successful SBIR proposals on computer vision and automatic surface reconstruction.

Single person LLC effort writing scientific and analysis software as a contractor to Lawrence Livermore National Laboratory

Livermore, Ca, Us

Principle Investigator and Program Manager of ten person, 2 year project to construct particle physics detector for the PHENIX particle physics experiment. Trained students and postdocs; intimately involved in the hiring process.Technical Lead of program to computationally evaluate effectiveness of radiation detectors for Homeland Security border patrol applications.Fielded several high energy physics experiments at Los Alamos, Brookhaven, Fermilab, and Livermore, including simulation, construction, and data analysis.Appointed member of PHENIX Detector Council (2003).Elected representative to the RHIC/AGS Users Executive Committee (2003-2004).Appointed Reconstruction Manager (2000-2003) for 450-person collaboration charged to oversee development of pattern recognition and event reconstruction paradigm.Initiated local simulation facility on LLNL massively parallel computing farm.

Stony Brook, Ny, Us

Designed basis of pattern recognition, momentum reconstruction, and tracking algorithms in C++ for high energy particle detectors.Appointed Mock Data Challenge Coordinator to lead the stress testing of the full PHENIX computing model including Beowulf cluster management and access to High Performance Storage System (HPSS) holding petabytes of data, data mining, distributed processing, and system administration.Taught various undergraduate and graduate courses and trained research students.

Phd, Physics

Ba, Physics

Education record