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William Reyes Email & Phone Number

Project Manager and Senior Business Analyst IT Credit Risk at Mizuho
Location: Greenwich, Connecticut, United States 19 work roles 3 schools
1 work email found @ubs.com 3 phones found area 184 and 848 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Role
Project Manager and Senior Business Analyst IT Credit Risk
Location
Greenwich, Connecticut, United States
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William Reyes is listed as Project Manager and Senior Business Analyst IT Credit Risk at Mizuho, a with 13082 employees, based in Greenwich, Connecticut, United States. AeroLeads shows a work email signal at ubs.com, phone signal with area code 184, 848, and a matched LinkedIn profile for William Reyes.

William Reyes previously worked as Project Manager and Business Analyst for Global Markets for Credit Risk at Bank Of America Merrill Lynch and Senior Business Analyst and Project Manager, Credit Risk at Jefferies. William Reyes holds Master'S Degree, Computer Science from Boston University.

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Email format at Mizuho

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{first}.{last}@ubs.com
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About William Reyes

William Reyes is a Project Manager and Senior Business Analyst IT Credit Risk at Mizuho. He possess expertise in equities, fixed income, trading, bloomberg, fx options and 5 more skills.

Listed skills include Equities, Fixed Income, Trading, Bloomberg, and 6 others.

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William Reyes's current company

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Mizuho
Mizuho
Project Manager and Senior Business Analyst IT Credit Risk
Greenwich, CT, US
Website
Employees
13082
AeroLeads page
19 roles

William Reyes work experience

A career timeline built from the work history available for this profile.

Project Manager And Senior Business Analyst It Credit Risk

Greenwich, Ct, Us

Project Manager And Business Analyst For Global Markets For Credit Risk

Current

Charlotte, Nc, Us

* Conducting a GAP analysis for Anacredit Regulatory Reporting in the EU, specifically focusing on Syndicate and Distressed Loans data flow.* This involves mapping and conjuring critical data fields from front-office applications to seamlessly integrate into our database aggregation phase, ensuring compatibility with the Regulatory Reporting Map.* Correlate our controls to the ECB AnaCredit guidelines through a GAP analysis and a data lineage. Present to senior Compliance and front-line teams on GAPS. * Purpose recommendations on potential Tech build or policy amendments * Organize stakeholder working groups to accomplish a defined interpretation of delineating our business model in contrast to the ECB Anacredit guidelines.

Aug 2022 - Present

Senior Business Analyst And Project Manager, Credit Risk

New York City, New York, Us

* Working with the development team to onboard vendor data for our client Financials for proper tiering (ratings)* Created controls and procedures around our DVP program. Established keys metrics for our notional and stress breaches*Working alongside technology to resolve and map out data quality issues* Performing and analyzing our data validation for our new strategic platform depository system* Functionally managed all global regions' stress breaches. Synchronized technology and credit officers to resolve gaps between our data flows

Nov 2021 - Jul 2022

Project Manager And Senior Business Analyst Otc Derivatives Prime Brokerage It

Zurich, Ch

Coordinated a data migration, changing the physical location with our vendor, and constructed a run-book with all supporting teams*Participated in the migration with our technology vendor for a centralized global payment system. Validation and testing SSI’s and resolving data quality issues*Delegated in discounting reporting from legacy system to integrating new strategic platform reporting* Worked closely with SLAs and performance metrics for any late reporting from our vendor.* Project managed our IT Architect and main stakeholders for any changes around OTC derivatives Primebrokerage IT change

Jun 2021 - Nov 2021

Project Manager And Senior Business Analyst Wealth Management Risk And Support Supervision

Ubs

Zurich, Ch

• Collaborating with our vendors to design efficient Lexicon strategies for our AML regulation requirements • Working with our business stakeholders and IT Developers to update our wealth management tool, for Regulatory requirements and user enhancements. Establishing test case scenarios for QA for our credit limit model platform. • Agile project planning for 5 different initiatives for stern audit deadlines. • Automating and creating new procedures for our Second line of defense for surveillance. • Systematizing processes through our Databases for decrease of time and effort. Writing up procedures • Upgrading our Supervisory tool’s UI to handle different types of searches within Wealth Management

May 2019 - May 2021

Program Manager Counterparty Credit Risk Technology For Ccar (Contracting)

Charlotte, Nc, Us

Ensure comprehensive requirements are provided for different CCAR stress scenarios and FR Y-14 Q from our business users.Determine functional specifications and work with technology teams to define and document the implementation approach. Ensuring it meets user requirementswork with QA teams to ensure that comprehensive test cases are executed and coordinate testing cycles and runsmanage the project plan, drive project completion, facilitating issues, maintaining control over scope and ensuring that project artifacts are maintainedPrepare materials to present to stakeholders or technology, both visually and in textual formManage project risk. Proactively identify and engage key project stakeholders/partners to avoid unanticipated issues and gaps during project executionCoordinate with Market risk to make sure CCAR COB date is validated for Capital RWA/ Credit runs.

Oct 2018 - May 2019

Lead Senior Ba/Pm Gdpr For Latam Human Resources (Contracting)

Paris, Fr

Coordinating meetings with LATAM legal counsel to understand Data Protection laws in each country and distinguishing BNP Paribas approach and change for GDPR.Purposing timelines and budgets to Head Group HR in Paris to make sure LATAM HR is compliant with GDPRTracing GDPR and establishing a strategic plan to delegate across the different teams, Local HR, IT security and Compliance teams.Validating processes and controls in HR and mapping to GDPR to confirm compliance for all actions points required.Working alongside Brazil, Mexico, Colombia, Argentina, Chile and Peru IT infrastructure teams to verify access rights, cyber and breach protocols are met accordingly for GDPR verification of employee data.

Apr 2018 - Oct 2018

Senior Business Analyst Market/Credit Risk (Contracting)

Tokyo, Jp

Conducted a traceability matrix for Rule 15 C3-1e. Deductions for Capital Market and Credit Risk calculations. Performing analysis and data validation on our new MPE (Maximum potential exposure) calculation. Working alongside finance to evaluate our trending analysis on Current exposure. Calibrate with Risk Quants for Risk methodologies updates and ownership for model back testing scenarios on our Var Model. Established procedures for our exemptions approved by the SEC. Wrote up test cases, performed UAT testing. Received sign off from senior management on ownership processes and controls. Validated internal credit ratings for our counterparties for OTC Derivatives and Stress Validation for our VaR Model

Oct 2017 - Apr 2018

Strategic Risk Reporting Private Banking Securitized Products (Contracting)

Zurich, Ch

Implementing core strategic architectural aggregation solution for PnL vs Risk for IHC deliveries. Improving transparency methodologies to enhance aggregation of data from Risk management systems and Accounting systemsData Validation for the main venue(Dashboards) for Chief Trading Risk Officers to have a consistent tool across the in scope IHC business to quantify the Unexplained P&L on a daily basis. Verifying the completeness, quality and integrity of the data through each data source component in the delivered architectural stack in advance of UAT testing.Consolidate the end of day risk and PnL data into a single data inventory for the investment bank. Ensure the data is complete, accurate, traceable to the required level of granularity. Improve linkage between Risk exposures and P&L explain for increased clarity of revenue drivers.

Oct 2015 - Oct 2017

Senior Business Analyst Operations Change Management- Ihc Regulatory Reporting (Contracting)

Zurich, Ch

Change the legal entity structure of the current UBS AG Group HoldingManage deliverables of the program i.e. leading sub-projects through analysis, design, testing, migration and implementationPlanning, milestone verification, resourcing, risk management, project status reporting and issue tracking for these sub-projectsConduct workshops and interviews with stakeholdersDefine & manage business specifications end-to-end and act as facilitator between the Operations run-the-bank teams, IT and other areas such as front office, finance, legal & compliance etc.Execute Analysis & Design in different stages of the projectDetailed test planning and coordination of testing activities front-to-back in cooperation with other involved areasCoordinate across different stakeholders on different levels of seniority, conduct workshops and interview with stakeholders

Mar 2015 - Oct 2015

Business Analyst Finance Change Management- (Contracting)

London, Gb

Conducting assessment of the controls within the Regulatory and financial reporting framework, and making recommendations of appropriate controls to be in place Working directly with Finance and Operation teams to review the business processes governing Regulatory and Financial reporting Identify key control points and work with process owners to determine corrective actions if required Gathering control requirements and developing approaches to enable them to be delivered via process changes / technology solutions Developing approaches and tools to test new solutions and business processes Performing functional tests of newly built processes and solutions and guiding end user testing of these

Sep 2014 - Mar 2015

Business Analyst -Fcm Client Services Clearing Futures And Interest Rate Swaps- Contracting

San Francisco, California, Us

Onboard new clients, provided new trading accounts and user access ID’s to our Web Portal. Gathering all documentation needed to open account, KYC protocol. Working close with our FCM Funding and Collateral teams to ensure our clients meet their margin requirements. Understood the Reg Codes, Cross Margining, and the differences between Sequestered and Segregated funds. Assembly procedures for key functions of our teamMaking on Calls to our clients that our in deficit in Variation or Initial Margin.Calculating our haircut structure for our clients collateral and advising the all in valueBalancing all of our EOD activity. Coupons, adjustments, collateral movements, excess and deficit requirements from client’s accounts. Worked with SQL for raw data from the exchangesCompare Initial Margin between the CME and LCH on IRS to our sales team on a project level

Feb 2014 - Jul 2014

Business Analyst Client Clearing And Prime Broker Otc Derivatives- Contracting

Frankfurt Am Main, Hessen, De

Trade Capture on the CCP's on all client transactions CME, LCH, ICE.Worked with Risk Dept. on any credit limit breaches on customer orders.Helped on-board clients, mapping, UAT testing, Back-loading any PB positions to Clearing Maintained clients activity for monthly billing. Allocating trades for clients, understanding and researched trading curves. Working with risk on any collateral or credit limits on customers tradesOn the Prime Broker side, entered Credit, Futures and Rates trades to face executing brokers.Handling Unwinds, Novations and Exercises. Explained any new regulatory reforms, SEF’s, collateral management understanding Kept informed with any new Dodd Frank Regulation, Coordinate Web X presentations for clients. Helping on the onboarding process. Gathering exchange ID’s for our clients to trade.Understood Margin and how it works with Derivatives products and collateral.

Jan 2013 - Dec 2013

Business Analyst-Treasury Market Practice Group For Cash Collateral Liquidity-Contracting

New York, Ny, Us

Allocating Tri Party end of day repos to custodian bank. Met the asset schedule for clients allocations Market to market collateral depending of client’s instructions. Received and delivered collateral via custodian system. Balanced EOD Tri party figures with Funding team Coordinated with Project Management, IT, Risk Control, Settlements and Finance Department to develop and operate TMPG Trade Capture System. Work hand and hand with Product Control to meet deadlines.Meeting Deadline driven projects for live production dates. Working with BONY to properly collateralize all major accounts.Balanced credits and debits for counterparties invoices for TMPG. Resolving all Cash & Stock record breaks for operations and Finance. Working with VBA and SQL to help manage project and query necessary data.

Oct 2011 - Jan 2013

Client Services

Algorithmic Trading Management

Overseeing clients trades with relation to our Algorithmic strategies. Making performance calls and advising on any trading issues with real time analytics to our Buy & Sell Side clients. Monitored a high volume of our clients flow and assisted with their order routing, system configuration and overall troubleshooting via Fix on any issues with Market exchangesRunning testing on Benchmark, Liquidity and Pair strategies for European,U.S, Canadian, Asian and Futures markets before they hit production. Constructed and provided daily client market valuation on fee/rebates on trade executions. Researching new markets, LATAM and Europe etc. for electronic trading. Developed knowledge in reading the tape for missed liquidity or latency. Produced daily P&L figures on client's trades, slippage vs. our strategies and Baskets with correlation to Index's or Sector's Worked closely with Quants dept., Fix connection and Business Development teams for new strategies or new prospective clients. Resolving issue's with different Exchanges which can cause risk to our client's orders or their routing executionCoordinating with market data providers and managing static data for our Order Management System for all exchanges. Covered all markets hours, Futures, US, Asian & European

Feb 2010 - Sep 2011

Trade Support

Commerzbank Capital Markets

Managed the Trade Support team for our European Equities, Emerging markets Sovereign Debt & Structured products. Developed and implemented solutions to enhance current processing inefficiencies by working with traders and technology. Assisted clients on our Emerging Markets Trading Platform. Help open Latin American accounts, translate and inform of any inquiries from clients. Worked out old structured EPA deals, dividends, unwinds. Making sure all unmatched trades on the day prior to settlement was properly resolved for settlement. Calculated trade figures then sent confirmations to clients. Wrote up procedures for internal and external audit. Took responsibility in the assembling and maintenance of customer account documentation and the control of Firm cash and securities positions. Reviewed and presented accounts before compliance evaluation. Allocated trades via OASYS or manually thru Fidessa or BloombergProcess daily wire payments through BoNY Cash, Balance available Firm funds via Oracle; project future cash flow. Provide daily end-of-day Firm funding figures to invest/Borrow. Solving issues with our overseas operations in London and Frankfurt. Help engineer the transition of clearing firms. Worked with compliance for client Back ground checks (OFAC) and any new rules and regulations from FINRA.

Jan 2007 - Jan 2010

Trade Support International Equities Associate

Exane Bnp Paribas

Received allocations from clients which then I allocated Via Fidessa or OASY's Helped Open new accounts and Sub accounts, settling trades in European country'sFree of payment transactions, dealing with FX's contracts for client's tradesSwaps, calculating international convertible bonds, sending confirms to clientsInvolvement in all aspects of trade, dividends, discrepancies, amendments, Buy In procedures, interest claims. Creating and researching securities to update security master. Compliance monitoring & documentation requesting form clients Heavy phone volume, demanding multi tasking, quick problem solving

Sep 2005 - Jan 2007

Security Lending Fixed Income Associate

Mizuho Banking And Trust

Re-pricing on clients out on loan positions. Clear Repo's through GSCX.Monitored the credit and exposure limits on client fundsConstruct daily earnings reports to clients in Japan.Providing support for two lending bond traders. Balancing Tri- Party Manage coupon payments on maturing bonds. Handle majority of client sales and buys. Clearing Corporate bonds via DTCResearch new Treasury's and Agency's for credit approval and supervise collateral pledged by brokers to fulfill margin requirements.

Dec 2003 - Sep 2005

Support Domestic Equities Associate

Recapped with clerks on the NYSE on orders. Opened client accounts and sub-accounts, maintained settlement instructions on existing accounts, booked physical tickets.Interacted with institutional sales, sales traders, the client's agents, the institutional margin dept., cashiering and compliance.Composed a report on traders PNL, managed the average price account and London's adjustment account.Accounts payable on Floor Brokers commission bills. Assembled spreadsheets for floor directors on discrepancies between ExchangesExperienced with inputting trades on ACT and market making orders in the third market.Dealt with Program Trading on large baskets executed on any exchange.

Jun 2000 - Aug 2003
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Colleagues at Mizuho

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3 education records

William Reyes education

Master'S Degree, Computer Science

Boston University

Bachelor Of Science, Finance

Manhattan University

High School Degree, Jrotc-

New York Military Academy
FAQ

Frequently asked questions about William Reyes

Quick answers generated from the profile data available on this page.

What company does William Reyes work for?

William Reyes works for Mizuho.

What is William Reyes's role at Mizuho?

William Reyes is listed as Project Manager and Senior Business Analyst IT Credit Risk at Mizuho.

What is William Reyes's email address?

AeroLeads has found 1 work email signal at @ubs.com for William Reyes at Mizuho.

What is William Reyes's phone number?

AeroLeads has found 3 phone signal(s) with area code 184, 848 for William Reyes at Mizuho.

Where is William Reyes based?

William Reyes is based in Greenwich, Connecticut, United States while working with Mizuho.

What companies has William Reyes worked for?

William Reyes has worked for Mizuho, Bank Of America Merrill Lynch, Jefferies, Credit Suisse, and Ubs.

Who are William Reyes's colleagues at Mizuho?

William Reyes's colleagues at Mizuho include Diana Ben-Levy, Rakesh Rajan, Tomo Undefined, Ryo Furuki, and Ashwini Poojary.

How can I contact William Reyes?

You can use AeroLeads to view verified contact signals for William Reyes at Mizuho, including work email, phone, and LinkedIn data when available.

What schools did William Reyes attend?

William Reyes holds Master'S Degree, Computer Science from Boston University.

What skills is William Reyes known for?

William Reyes is listed with skills including Equities, Fixed Income, Trading, Bloomberg, Fx Options, Derivatives, Capital Markets, and Bonds.

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