
Boutique Marketing Science & Growth Strategy Firm
Who We Are :
Signal & Kairos is a boutique consultancy based in the San Francisco Bay Area, operating at the intersection of data science, experimentation, and business growth. We partner with startups, scale-ups, and SMBs to drive smarter, faster decisions across sales, marketing, product GTM and growth.
We specialize in:
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Fractional Marketing Science Leadership for companies scaling media and orchestrating advanced measurementacross channels
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Advanced experimentation and causal inference consulting through our technical arm, Signal Studio
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Strategic growth and product guidance via Kairos Lab, helping you act on what matters most, when it matters
Whether you're validating performance, translating tests into action, or building a resilient growth engine — we bring clarity, precision, and senior-level insight to your most important decisions.
Meet the Founder
Jiaping Liang (JP)
With over a decade of experience across leading tech and retail platforms, Jiaping Liang brings deep expertise in marketing data science, growth experimentation, and ad effectiveness strategy. She has extensive client-facing experience with both top enterprise clients and SMB advertisers — having overseen top US CPG accounts as well as managing programs for 20K+ SMB advertisers worldwide.
Jiaping is an expert in first-party and third-party measurement solutions — from methodology and execution to delivering actionable insights. Her core strength lies in orchestrating advanced measurement strategies across incrementality testing, attribution, and media modeling to drive business impact.
She has led high-impact work at Snap, Walmart Connect, SAP, BlackBerry in Silicon Valley, and two U.S.-based online travel companies, helping teams in CPG, e-commerce, retail, and OTA sectors turn data into measurable growth.
Jiaping founded Signal and Kairos to empower U.S.-based startups and SMBs with tailored, high-impact data science solutions — giving growing teams the tools to test smarter, invest better, and scale faster.

Data-Driven Insights
Our Expertise
Advanced Analytics
Experimentation & Measurement
Strategic Reporting
Ad Effectiveness Modeling
Multi-channel Optimization
Product GTM & Growth Insights
Incrementality Testing
Product Life Cycle Strategies
Exploring Your Growth Opportunities
Our Services
We leverage powerful platforms, open-source libraries, cloud infrastructure, and in-house AI agents to deliver high-impact measurement and growth solutions.
Tools That Empower Us
Experimentation & Causal Inference
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GeoLift (Meta) – Geo-testing & incrementality
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CausalImpact (Google) – Time-series causal analysis
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DoWhy, EconML, CausalML, MetaLearner – Python causal inference libraries
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Prophet, ARIMA, scikit-learn – Forecasting & model calibration
Attribution & MMM
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Robyn (Meta), LightGBM, Bayesian MMM – Marketing mix modeling
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Northbeam, Rockerbox, GA4, LiveRamp – Attribution, identity resolution & marketing analytics
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Lift studies, Holdouts, Custom MTA rules – Measurement calibration
Data Stack & Infrastructure
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SQL, dbt, BigQuery, Snowflake, Redshift – Data warehouse and transformation
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Looker, Tableau, Data Studio, Hex, Metabase – Dashboards & visualization
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Colab, Jupyter, VS Code – Modeling environments
GTM & Growth Ops
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Notion, Figma, Airtable, Super.so – Planning, client comms, lightweight GTM
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Mixpanel, Amplitude, Segment – Product analytics & retention measurement
Cloud & DevOps
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Google Cloud Platform (GCP)
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Amazon Web Services (AWS)
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GitHub, GitLab

Signal and Kairos is driven by a deep understanding of marketing data science, fueled by innovation, and committed to redefining success for every project we undertake.
Our Advisory Board
Ready to Optimize Your Marketing Strategies?
Let's Connect
