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TopgolfDirector, Product and Mobile Engineering
Aug. 2023Role overview: Oversee the product roadmap for Topgolf’s mobile app, driving the development of key features that enhance user engagement and contribute to revenue growth. Lead a cross-functional team of engineers, designers, and product managers, guiding product strategy and execution to ensure alignment with business goals. Spearhead initiatives around machine learning, augmented reality, and user experience improvements that drive app performance and customer satisfaction.
● Own the Topgolf mobile app product roadmap, defining features and priorities to drive business growth
● Manage cross-functional teams of up to 10 Engineers, UI/UX Designers, QA, and Product Managers to deliver high-impact features in a fast-paced environment
● Lead machine learning initiatives utilizing object detection and image segmentation to enhance augmented reality experiences, improving in-venue interactions and customer engagement
● Drive revenue growth by iterating on pricing strategies, promotions, and streamlining the mobile booking
experience; set and track KPIs in collaboration with Sales, Marketing, and stakeholders to maximize impact
● Transformed product strategy, consistently increasing in-app revenue by 50x, from $2 million to $110 million over six years, through data-driven decisions and conversion-focused design
● Spearheaded growth strategy, driving a 23x increase in downloads, from 300,000 to 7+ million, through prioritization, iterative releases, and a relentless focus on user experience
● Revitalized product performance, scaling peak monthly active users (MAUs) from 70,000 to 880,000+ through targeted UX improvements and growth-focused product decisions
TopgolfSenior Technical Product Manager
Aug. 2022 - Sep. 2023● Led end-to-end product development from ideation to deployment, managing Agile execution across Design,
Engineering, Marketing, and Data teams to ensure timely delivery aligned with business objectives
● Launched the high-impact “Join the Waitlist” feature, bridging the digital-to-physical experience, increasing operational efficiency, and driving 3.6+ million in-venue visits
● Identified friction points through A/B testing and UserTesting, increasing checkout conversion from 65% to 72%
● Validated strategies with behavioral analytics and frameworks like Amplitude, boosting user engagement at scale
TopgolfTechnical Product Manager
Aug. 2018 - Sep. 2022● Led both strategic product vision and hands-on technical execution in a hybrid role as Technical Product Manager
and iOS Engineer, optimizing product performance of mobile initiatives and cross-platform experiences
● Redesigned mobile UI/UX, improving user satisfaction and maintaining a 4.9-star App Store rating
● Revamped the in-app Reservation platform, growing annual revenue from $2 million to $14 million over four
years through data-driven development and iterative improvements
● Leveraged Airship and Firebase to generate 400,000+ incremental reservations and boost customer retention
GAME GOLFSenior iOS Developer
May. 2017 - Aug. 2018San Francisco Bay Area (remote)• Oversaw the development of AI-powered club recommendations, leveraging data processing and ML models
• Spearheaded R&D for next-gen Game Golf devices, integrating BLE communication with iOS
GolfMatch, Inc.CTO
May. 2015 - May. 2017Manhasset, New York, United States• Led the product vision and innovation for GolfMatch, driving strategy across iOS, Android, and backend development to build an engaging social platform for golfers.
• Managed and mentored a cross-functional team of Objective-C, Java, and JavaScript developers, as well as designers, to execute the roadmap efficiently.
• Pioneered key features such as Golf Groups, enabling real-time chat and event organization, which significantly boosted user engagement and retention.
• Drove a 150% increase in user retention, improving one-month retention from 30% to 75% by guiding new users into Golf Groups for instant community integration.
• Expanded monetization opportunities, integrating Braintree Payments for golf vacation bookings and events through a strategic partnership with Troon.
• Enhanced app virality and acquisition, leveraging Branch.io deferred deep links to improve invite conversion rates by 40%, and Apple Universal Links to boost SEO visibility for course content.
• Spearheaded the integration of GolfNow’s tee time booking engine, focusing on transparency for playing partners to enhance the golfer experience.
BrainscapeVP Mobile Engineering
Feb. 2014 - May. 2015Greater New York City Area (remote)• Led the mobile engineering strategy and execution, driving innovation and scalability for the Brainscape iOS app.
• Architected and modernized the codebase, implementing the MVVM design pattern to improve reusability, testability, and maintainability.
• Oversaw the successful migration of 50+ standalone apps to iOS 8, introducing a modern, flat UI design and optimizing for Auto Layout to ensure seamless performance across all Apple devices.
• Enhanced user engagement and retention, launching Leaderboards to gamify learning and implementing personalized study reminders via notifications and email drip campaigns.
• Led the adoption of unit and functional testing, integrating XCTest and KIF to improve app reliability and performance.
• Drove data-driven decision-making, implementing behavioral tracking and analytics to gain insights into user learning patterns and optimize the app experience.
Weekend WarriorsCo-Founder / Lead Developer
Jul. 2008 - Apr. 2016• Co-founded the company and led the development of white-label iOS app solutions for golf industry clients, managing the full product lifecycle, engineering, and client delivery, including launch and post-release support
• Designed iYardage and launched it on Day One of the App Store, reaching 500,000+ downloads
BT CounterpaneSenior Software Engineer
Apr. 2005 - Feb. 2014• Led development and long-term ownership of BT Counterpane’s proprietary security appliance, the Sentry, managing a complex, mission-critical codebase across multiple releases.
• Engineered secure, distributed, and fault-tolerant solutions to process and correlate real-time security alerts at scale—used by enterprise clients for proactive threat detection.
• Improved system performance and scalability 10x by modularizing core components using RabbitMQ and enabling parallel processing across distributed infrastructure.
• Designed and implemented multi-threaded pattern matching, enabling the Sentry platform to scale across multi-core systems and significantly boost throughput.
• Developed custom correlation engine in Java to integrate and analyze scan results (Nessus, Foundstone, NCircle, Qualys) alongside firewall and IDS alerts—enabling unified situational awareness for security analysts.
• Built data ingestion tools for ElasticSearch and Splunk, supporting scalable log analysis and large-scale forensic investigation.
• Diagnosed and optimized system-level performance bottlenecks, reducing memory usage by 15% and achieving a 12x increase in log parser speed through targeted improvements using JProfiler.
• Contributed C code enhancements to low-level networking utilities and transport layers, reinforcing system reliability in high-security environments.
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