Vetted Executive & Leadership Professionals in California

Thomas Majchrowski

Screened

Executive Technology Leader (CTO) specializing in SaaS, AI platforms, and M&A integration

Irvine, CA22y exp

“Entrepreneurial builder who created a SaaS system for insurance sales and developed in-house sales/marketing platforms, prioritizing a robust backend that drove over $500k in immediate sales before expanding features. Emphasizes lean, high-impact execution with strong focus on optimization, barrier management, and contingency planning.”

Alexander Goldberg

Screened

Executive Technology & Product Leader specializing in AI/AR SaaS and cybersecurity

Los Angeles, CA30y exp

“Engineering/technology leader with mission-critical experience at JPL NASA on the Mars Curiosity Rover, delivering an AI-driven navigation system designed for zero tolerance for mistakes and reportedly operating with no failures for 15+ years. Also led a monolith-to-microservices, cloud-native migration that improved scalability by 300% and cut deployments from days to hours, and is comfortable switching between executive fundraising/stakeholder communication and deep technical leadership.”

Cornelius O'Donnell

Screened

Director-level Engineering & Program Leader specializing in AI product platforms

San Diego, CA25y exp

“Technical Program Manager and one of three internal "founders" of HP’s Hardware-as-a-Service home printer subscription initiative, spanning DTC shipping, simplified setup, ink replenishment, and warranty coverage. Led roadmap definition/execution, scaled delivery rapidly to 15+ scrum teams (including vendors) with SAFe-like coordination and shared engineering standards, and drove key architecture trade-offs (building an interim subscription management service) to accelerate time-to-market by about a year.”

Harold Lehon

Screened

Executive Business Strategy & Operations Leader in Medical Devices, Manufacturing, and Technology

North Hollywood, CA25y exp

“CEO/operator with strong private-equity-facing transformation experience who led post-acquisition integration and cross-functional execution to deliver $4M in annual savings. Built a KPI-driven strategic planning and operating cadence that helped scale CCW from $14M to $50M over 5 years, with external recognition including Inc 5000 (2023) and a 2023 Stevie Award for innovation.”

Shruti Krishnagiri

Screened

Executive Engineering Leader & Technical Founder specializing in AI automation platforms

San Francisco Bay Area, California20y exp

“Founder/CTO who built and shipped a consumer subscription-bundling platform end-to-end (architecture, implementation, testing) and scaled it to thousands of customers and major partners. Previously led a major reliability overhaul at Chan Zuckerberg Initiative for a Google-Docs-like ed-tech product—boosted observability, introduced incident management, and migrated to a Docker-based scalable architecture. Heavy user of AI tools (Cursor/Claude) for development, testing, and code review, with a strong bias toward lightweight, fast-moving execution.”

Mariana Quintanilha

Screened

Executive Brand & Integrated Marketing Leader specializing in GTM and growth strategy

Los Angeles, CA18y exp

“VP-level marketing leader in proptech/real estate marketplaces who blends brand strategy with performance rigor. Repositioned RentSpree with a full narrative/IA and cross-channel messaging overhaul driving +32% conversions and major signup growth, and built an internal AI copy assistant to scale on-brand content across teams. At QuintoAndar, created the company’s first 360 mass media acquisition engine, delivering significant lifts in direct traffic, visits, and contracts while implementing CAC guardrails and MMM-style measurement.”

colton childrey

Screened

Senior QA Leader specializing in AAA games, XR platforms, and backend systems

Los Angeles, CA7y exp

“Game/interactive software QA professional with experience spanning AAA titles (Activision Black Ops 3; Halo 4/Forge) and VR at Meta (The World Beyond). Notable for modernizing QA operations at Lego BrickLink Studio by implementing Testmo and dramatically increasing test coverage and user satisfaction, plus quickly diagnosing and unblocking a critical public-launch issue caused by misconfigured gatekeeper flags.”

“Enterprise Architecture leader with insurance domain experience (Farmers Insurance) who drove a multi-phase roadmap to modernize a siloed CRM landscape—migrating from legacy Siebel to Salesforce Financial Services Cloud with Customer 360, MDM, and omnichannel capabilities. Also led a high-impact architecture decision to implement offline billing to reduce customer-facing downtime, including complex SAP/on-prem-to-cloud integration and transaction sync.”

ABHIJOY SARKAR

Screened

Senior AI Engineer specializing in LLMs, agentic systems, and MLOps

San Francisco Bay Area, CA8y exp

“Built and shipped PromptGuard, a production middleware proxy that secures GenAI RAG/agent systems against prompt injection and unsafe tool use using risk scoring, graded policy actions, and least-privilege tool gating. Also replaced LangChain abstractions with a custom state-machine runner for a production voice agent to reduce latency and improve traceability, and delivered a clinic call assistant by converting front-desk/doctor requirements into scenario-based guardrails and measurable evals.”

Jignesh Desai

Screened

Director of Software Engineering specializing in fraud detection and payments platforms

San Francisco Bay Area, California, USA26y exp

“Engineering manager/player-coach who focuses on laying technical foundations and improving team execution: kickstarted Visa standard UI library adoption, standardized API exception handling, and introduced a test automation framework that enabled a shift from quarterly to monthly releases. Led a phased latency/throughput initiative that doubled throughput, and owned a production incident caused by a dependency’s expired certificate, driving monitoring and certificate-expiry notification improvements across dependent systems.”

“Finance and private markets professional with experience at Wells Fargo and US Bank who has built a founder-adjacent sourcing skill set through deal origination, CFO outreach, and co-investment evaluation. Stands out for translating cold outreach into financing conversations and for using a structured investment lens across capital structure, unit economics, and market opportunity.”

“Early-stage GTM and revenue-operations builder who helped Seculert (cybersecurity breach detection) scale beyond founder-led sales as US employee #3, standing up TAM/ICP targeting, first SDR/AE hires, Salesforce, and lead scoring/qualification systems. Experienced mentoring founders/executives with lightweight, stage-appropriate operating cadences and playbooks to create repeatable pipeline and scalable execution.”

Vivek Shrivastava

Screened

Director-level Technology Leader specializing in data platforms, AI, and media/AdTech transformation

Los Angeles, California24y exp

“Technology leader who built a unified platform for Fox live sports production operations starting in 2019, delivering an initial operational system on an ~18-month timeline while simultaneously scaling an in-house engineering team from a service-provider partnership. Led a security architecture for external vendors/partners using a separate Okta instance with zero-trust and passwordless authentication, and drove adoption through strong change management, documentation, and agile execution.”

Antonio Richmond

Screened

Executive Operations Leader and Electrical Engineer specializing in industrial scale-up and automation

Los Gatos, CA16y exp

“Operations leader with heavy industrial and climate/industrial innovation exposure: led ops for a novel cement-disruption product involving site selection near CO2 emitters and feedstock/offtake sourcing to reach a proof-of-concept facility. Previously recommissioned an oil re-refinery within a year, owning cross-functional hiring plus compliance, budgeting, and community relations—delivering on time and on budget.”

“Exploring entrepreneurship with two concepts: a K-beauty skincare line tailored to the Indian market and darker complexions, and a tech-enabled services business helping legacy companies adopt AI safely. Has early-career experience working with Battery Ventures as an investor in the startup Fasturn and a point of view on deeper VC/studio operational partnership models.”