Sandro Zwyssig
Professional

Professional

Welcome

Bridging financial markets expertise with quantitative analysis and technology to deliver clarity, impact, and results.

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Years of Experience
Finance, research and technology
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Certifications
CFA, FRM, CAIA, PRM, CFTe, and more
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Languages
German, English, Spanish, French, Italian
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Asset Classes
FI, Credit, Equities, FX, Commodities, Derivatives
Portrait of Sandro Zwyssig

Finance & Investment

Investment judgement grounded in institutional portfolio management, research and risk analysis.

Fixed IncomePortfolio ManagementCreditRiskMacroQuantitative Research

Technology & Quantitative Development

Hands-on development of models, data systems and dependable analytical workflows.

PythonSQLModel DevelopmentData IntegrationAutomationTestingAPIsGit

Finance and technology have been intertwined throughout my career.

Integrated expertise

I combine investment expertise, quantitative modelling and software development to turn complex financial questions into robust analysis, practical systems and clear decisions. My background spans multi-currency fixed-income portfolio management with full P&L responsibility, buy-side credit analysis and cross-asset strategy. I complement this with Bayesian and scenario-based research, data and automation tools, and clear technical and client communication in English and German. Across these roles, I combine investment responsibility with valuation, risk-monitoring and rebalancing tools. I translate financial requirements into maintainable systems and communicate findings through client publications and presentations, delivering dependable solutions from analysis through implementation.

  • Portfolio Management — Multi-currency fixed-income mandates for institutional and UHNWI clients, with full P&L responsibility.
  • Credit Analysis — Buy-side research across financials, high yield, hybrids and subordinated debt, covering valuation and relative value.
  • Multi-Asset Strategy — Asset allocation and cross-asset research across fixed income, equities, FX, commodities and derivatives.
  • Quantitative Research — Financial modelling, scenarios, backtesting and validation, including Bayesian networks and wavelet analysis.
  • Technology & Tool Building — Applications, databases, APIs and automation, including valuation, risk and rebalancing tools in Python and VBA.
  • Communication — Technical documentation, stakeholder translation, English/German publications and client presentations.

Investment, quantitative modelling, data systems and software development across financial and research environments.

Career Timeline

Investment expertise, quantitative methods and technical implementation.

Skills

Finance & Investment

Portfolio management, fixed income, credit, macro analysis and risk.

Quantitative Research

Model development, validation, backtesting and scenario analysis.

Software & Data

Applications, databases, APIs, data pipelines and automation.

Solution Architecture

Designing maintainable system structures, interfaces and technical components.

Communication

Clear research, stakeholder communication and technical documentation, including publications in English and German and presentations for clients and advisors.

Business Analysis & Delivery

Requirements analysis, testing, stakeholder coordination and implementation delivery.

Finance & Investment

Fixed IncomePortfolio ManagementCreditRiskMacroQuantitative Research

Quantitative Methods

Financial ModellingModel ValidationBacktestingScenario AnalysisBayesian EstimationPerformance Attribution

Technologies

R / PythonVBAAccess / SQLJavaScriptTypeScriptMySQLPostgreSQLBloomberg (BQL / BQNT)MATLABMS OfficeVS CodeCursorEViewsAvaloqGitConfluenceData Interfacespytest

Languages

GermanNative (C2)
EnglishProficient (C2)
SpanishIntermediate (B1)
FrenchIntermediate (B1)
ItalianBasic (A1)

Practical systems built where finance, quantitative research and technology meet.

Selected Projects

Investment Intelligence Architecture

Ongoing independent work on quantitative models, research infrastructure and software tools for financial-market analysis and valuation.

PythonModel ArchitectureData PipelinesBacktestingGit

Portfolio Analytics & Risk Reporting

Analytics, attribution, scenario and concentration reporting for multi-currency credit portfolios using Bloomberg and internal data sources.

Bloomberg APIBQLRiskScenario Analysis

Research Data Infrastructure

Central research database, automated rating distribution and reporting workflows across Access, VBA, internal data connections, Excel and PDF outputs.

Access VBASQLData InterfacesAutomation

Publication & Risk Workflow Tools

Two Access-based applications for risk monitoring, management reporting and rapid preparation of publication-ready fixed-income output.

Fixed IncomeAccessReportingData Integration

Quantitative Yield-Curve Model

MATLAB-based interest-rate model extended with a state-space forecasting framework, stochastic factor coefficients and Bayesian estimation.

MATLABState-Space ModelsBayesian EstimationValidation

Based in Switzerland. Open to professional conversations and collaborations.

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