Founder, Principal Analyst & PMM
James Edward Montantes
Technical product marketing manager and AI infrastructure analyst with 20+ years of research, competitive analysis, and strategic advisory across the GPU compute, HPC, and datacenter ecosystem.
Built and deployed Spyglass, a live interactive intelligence platform mapping 31 segments and 153 vendors across the full AI infrastructure supply chain, from silicon to enterprise end-markets.
Authored the HPC-AI Market Intelligence Series, a definitive 8-module research suite covering the $312B AI infrastructure landscape. From liquid-cooled clusters and HBM4 memory transitions to the "Memory Wall" and TCO modeling for 100K GPU clusters.
Currently available for Senior to VP level Product Marketing roles at AI infrastructure companies where technical credibility, founder instincts, and a track record of building GTM from the ground up matter.
Inventor of two U.S. patents in AI and intelligent media processing.
Research & Thought Leadership
Spyglass: AI Infrastructure Supply Chain Intelligence Platform
- Designed, built, and deployed a live interactive research platform that maps the complete AI infrastructure supply chain across 31 market segments and 153 vendors, from GPU silicon and HBM packaging through hyperscalers, neoclouds, and OEMs to enterprise and public sector end-markets.
- Integrated SWOT radar analysis, TAM projections through 2031, competitive vendor profiles, and a natural language query engine enabling users to interrogate the supply chain without SQL or API dependencies.
- Platform is actively used by infrastructure analysts, procurement teams, and strategy professionals evaluating AI compute investments and vendor relationships.
HPC & AI Market Intelligence Series (8 Modules)
- Authoring an 8-module competitive intelligence series covering the full AI infrastructure stack: 40-page research briefs with vendor scorecards, procurement decision frameworks, M&A activity tracking, and 5-year market forecasts per segment.
- Modules span GPU compute, AI networking, AI-optimized storage, power and cooling infrastructure, AI cloud/as-a-service, and end-market adoption patterns across enterprise, government, and research verticals.
U.S. Patents (Inventor)
- DEEP NEURAL NETWORK TRAINING FOR APPLICATION PROGRAM GENERATION 11537871 (US) · Issued Dec 27, 2022
- MEDIA CAPTURE AND PROCESS SYSTEM US 10,276,155 · Issued Mar 19, 2019
Professional Experience
Founder & Principal Analyst | Castle Rock Digital LLC
January 2026 – Present | Brentwood, CA
Founded an independent AI infrastructure research and intelligence firm serving analysts, investors, procurement teams, and AI infrastructure vendors.
- Built and shipped Spyglass, a live market intelligence platform mapping the entire AI infrastructure supply chain.
- Producing the 8-Module HPC & AI Market Intelligence Series: research publications with vendor analysis, competitive scorecards, and actionable procurement guidance targeting enterprise infrastructure decision-makers.
- Providing strategic advisory to AI infrastructure startups on market positioning, competitive landscape analysis, and go-to-market infrastructure aligned to buyer personas and enterprise procurement cycles.
Senior Product Marketing Manager, AI Infrastructure & HPC Platforms | Hitachi Vantara
February 2022 – December 2025
Owned market analysis, competitive intelligence, and strategic narrative for AI-optimized storage, GPU-accelerated data pipelines, and enterprise HPC platforms across global markets.
- Developed market positioning and competitive analysis for AI-optimized NAS/file storage (WEKA, Hammerspace integrations) targeting GPU-accelerated training, inference, and HPC workloads. Authored solution briefs and architecture frameworks adopted by global field teams.
- Led competitive intelligence against Pure Storage, NetApp, and VAST Data. Produced competitive battlecards, objection-handling frameworks, and vendor comparison matrices used by sales and SE organizations globally.
- Partnered with NVIDIA on GPUDirect Storage and DGX co-marketing: co-authored joint solution briefs, architecture decks, and messaging frameworks for accelerated AI data pipelines and MLOps workflows.
- Developed vertical market segmentation and buyer persona research for Life Sciences, Financial Services, and Government/Research HPC, translating technical architecture into segment-specific decision frameworks.
- Coordinated global product launches across Product Management, Field Sales, AR/PR, and Channel teams, developing presentation materials and executive briefing content for enterprise audiences across NA, EMEA, and APAC.
Marketing Manager, GPU Compute & AI/HPC Infrastructure | Exxact Corporation
July 2018 – February 2022
Led market research, technical content strategy, and vendor analysis for NVIDIA- and AMD-based GPU servers, AI training clusters, and HPC platforms as a top-tier NVIDIA partner.
- Delivered 103% YoY new-customer revenue growth in 2020, ranked in NVIDIA’s top partner growth segment, through market analysis-driven GTM strategy for GPU servers, AI clusters, and HPC platforms.
- Produced GPU benchmark-grounded technical research: white papers, workload analysis guides, and solution briefs covering AI training, inference, and scientific computing that became the primary field sales reference library.
- Developed deep expertise in scale-out AI training architectures, GPU compute optimization, InfiniBand/RoCE networking performance, and storage I/O bottleneck analysis for high-performance AI workloads.
- Managed NVIDIA and AMD partner ecosystem research and co-marketing programs, maintaining top-tier vendor relationships and co-sell alignment across the GPU compute landscape.
Marketing Manager & Product Manager, HPC | Fujitsu
June 2014 – July 2018
- Named co-inventor on two U.S. patents in AI and intelligent media processing, demonstrating hands-on technical fluency in AI systems architecture.
- Collaborated directly with IDC and Gartner on HPC buyer persona research, market segmentation, and competitive trend analysis to inform product roadmap and strategic positioning.
- Developed positioning and analyst narratives for Fujitsu’s AI platform and HPC software ecosystem. Authored research-backed content supporting global sales, business development, and analyst engagement.
- Evaluated partnership and acquisition targets for the U.S. HPC market. Represented Fujitsu at major HPC industry conferences and analyst events.
Earlier Experience
- Marketing Manager, SunMan Engineering (2007–2014) • Cross-functional project execution, procurement, and digital marketing strategy for engineering product lines.
- Manager, Online Marketing, IMEX Research (2005–2007) • IT infrastructure market research (cloud, HPC, datacenter), synthesizing insights from IDC, Gartner, and Forrester for strategic industry reporting.
Education
Bachelor of Science, Business Administration | San Jose State University
Product & Technology Capabilities
- Designed and deployed Spyglass as a full-stack React application: data architecture, interactive visualizations, SWOT radar analysis, and natural language query engine, demonstrating the ability to build research tooling, not just consume it.
- Proficient in AI infrastructure frameworks, cloud AI environments (AWS, Azure, CoreWeave), and on-premises/hybrid deployment architectures for GPU compute and AI training workloads.
- Built advanced research and content workflows using LLMs (Claude, Gemini, ChatGPT) to accelerate competitive analysis, market trend synthesis, and executive-level content production at scale.
Core Expertise
- AI Infrastructure & Compute: GPU Clusters, AI Servers, DGX/HGX Architectures, AI Accelerators (NVIDIA, AMD, Custom ASICs), HBM Packaging, AI Factory Design, Cloud AI (AWS, Azure, CoreWeave, Nebius), AI Training/Inference Workloads
- HPC & Networking: Supercomputing, InfiniBand, RoCE, GPUDirect Storage, Parallel File Systems, AI-Optimized NAS, Scale-Out Storage
- Research & Advisory: Market Intelligence Platforms, Competitive Vendor Analysis, TAM/SAM Forecasting, SWOT Frameworks, Buyer Persona Development, Analyst Relations (IDC, Gartner), Executive Briefings, Conference Presentations
- Vendor Landscape: NVIDIA, AMD, Intel, Broadcom, Arista, Pure Storage, NetApp, VAST Data, WEKA, Hammerspace, Dell, HPE, Supermicro, CoreWeave, Lambda, Nebius