AeroLeads people directory · profile
Guillaume Decalf Email & Phone Number
Founder and CEO
at
We Financial Group
1 work email found
@fitbit.com
2 phones found area 877
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 86%
Current company
Role
Founder and CEO
Location
San Francisco, California, United States
Who is Guillaume Decalf? Overview
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Quick answer
Guillaume Decalf is listed as Founder and CEO at We Financial Group, based in San Francisco, California, United States. AeroLeads shows a work email signal at fitbit.com, phone signal with area code 877, and a matched LinkedIn profile for Guillaume Decalf.
Guillaume Decalf previously worked as Blue Grasshopper, Cofounder & CEO at Blue Grasshopper and French American independent Financial Planner & Wealth Manager (Founder & CEO) at Oui Financial.
Company email context
Email format at We Financial Group
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{first_initial}{last}@fitbit.com
86% confidence
AeroLeads found 1 current-domain work email signal for Guillaume Decalf. Compare company email patterns before reaching out.
Profile bio
About Guillaume Decalf
CEO of Oui Financial & Blue Grasshopper | Helping French Families Navigate Cross-Border FinancesI specialize in working with French individuals and their families, helping them stay on track to retire comfortably—whether that’s in the U.S. or France. My focus is on building comprehensive financial strategies that empower you to invest wisely, protect your family, and achieve your financial goals.What sets me apart:- No product sales: I offer independent, unbiased financial advice.- Socially responsible investing: I help my clients align their portfolios with their values by investing in sustainable and ethical companies.- CEO of Blue Grasshopper (BGH): BGH is your go-to platform for DIY investors, offering powerful tools to take control of your 401(k) management and investment decisions with confidence.On a personal note, I’m a passionate father, husband, and competitive runner. I thrive on challenges—whether it’s crossing finish lines or helping clients achieve financial freedom. I pour my heart into my work, balancing it all with family and fitness.Let’s connect if you’re looking for cross-border financial expertise with a personal touch.
Listed skills include Business Process, Business Process Design, Business Analysis, Enterprise Architecture, and 46 others.
Current workplace
Guillaume Decalf's current company
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8 roles · 22 years
Guillaume Decalf work experience
A career timeline built from the work history available for this profile.
Blue Grasshopper, Cofounder & Ceo
CurrentEffortlessly turn any investment strategy into tailored fund recommendations across all account types—401(k), HSA, IRAs, and more. 🚀https://bluegrasshopper.com/
Oct 2024 - Present
French American Independent Financial Planner & Wealth Manager (Founder & Ceo)
Currenthttps://www.ouifinancial.com/We are fee-only and don't sell financial products.Confused about IRA, Roth IRA, 401K, 403b, 529...? Do you know if you are on track for your retirement or not? Sell or keep your stock options/RSUs? How to invest? Leaving the US, what to do with your accounts?We are here to help.We have a simple approach to financial planning.
May 2018 - Present
Fintech Advisor
CurrentI work with a diverse range of early-stage Fintech startups, assisting them in creating suitable features and designs for their solutions. My background in both technology and finance, particularly as a Registered Investment Advisor (RIA), equips me with valuable insights and practical experience within the financial industry.
Jan 2021 - Present
Senior Project Manager & Business Analyst
Plan, initiate, analyze and manage complex, cross-functional international projects during a climate of rapid growth, (400 to 1,800 employees in 24 months, IPO). Lead and guide the work of technical staff. Serve as liaison between business and technical aspects of projects. Gather requirements and monitor progress to assure deadlines and standards are met..
2014 - 2018
~4 yrs
Senior Business Analyst / Operations Project Manager
Analyzed a multimillion dollar project, describing and documenting 90 percent of all processes for a repository, streamlining all processes and templates. Coached new hires using StrengthsFinder 2.0 assessment tool. Facilitated project prioritization process according to ROI and business value.
2011 - 2014
~3 yrs
Business Process Consultant
Opentext (Formerly Metastorm)
Supported enterprise modeling implementation projects for industry-leading organizations such as Microsoft, Amazon and Wal-Mart. Reviewed and described 120 processes in eight weeks using business process analysis (BPA) software.
2010 - 2011
~1 yr
Business Process Consultant / Business Analyst
Business Process Management Services (Bpms)
Initially drove presales for startup, consulting on numerous projects reporting directly to the CEO. Executed recruiting, marketing and website management, growing company from three to 12 employees. Collaborated with business users, gathered data and developed relationships with key stakeholders. Coached a team of four consultants, delivering monthly.
2004 - 2010
~6 yrs
FAQ
Frequently asked questions about Guillaume Decalf
Quick answers generated from the profile data available on this page.
What company does Guillaume Decalf work for?
Guillaume Decalf works for We Financial Group.
What is Guillaume Decalf's role at We Financial Group?
Guillaume Decalf is listed as Founder and CEO at We Financial Group.
What is Guillaume Decalf's email address?
AeroLeads has found 1 work email signal at @fitbit.com for Guillaume Decalf at We Financial Group.
What is Guillaume Decalf's phone number?
AeroLeads has found 2 phone signal(s) with area code 877 for Guillaume Decalf at We Financial Group.
Where is Guillaume Decalf based?
Guillaume Decalf is based in San Francisco, California, United States while working with We Financial Group.
What companies has Guillaume Decalf worked for?
Guillaume Decalf has worked for We Financial Group, Blue Grasshopper, Oui Financial, Fitbit, and Lab126.
How can I contact Guillaume Decalf?
You can use AeroLeads to view verified contact signals for Guillaume Decalf at We Financial Group, including work email, phone, and LinkedIn data when available.
What skills is Guillaume Decalf known for?
Guillaume Decalf is listed with skills including Business Process, Business Process Design, Business Analysis, Enterprise Architecture, Requirements Gathering, Visio, Business Process Mapping, and Business Process Re Engineering.
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