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Alexandra Marciniak

Senior B2B Marketing Leader

Miami, FL, USA

Discord: alexmarci
๐ŸŸขAping In

Senior B2B marketing leader with 15+ years of experience driving growth for fintech, financial services, and enterprise SaaS companies. Proven track record in go-to-market strategy, demand generation, sales enablement, and thought leadership for complex, regulated products sold to institutional and enterprise buyers. Dual MBAs from Columbia Business School and London Business School.

Work Preferences

Salary

USD 175,000 โ€“ 300,000

Skills

Go-to-Market Strategy10/10
Events & Sponsorship Strategy10/10
Financial & Institutional Marketing10/10
Sales Enablement10/10
Content Marketing & Thought Leadership10/10
Brand Strategy & Positioning (10/10)Demand Generation & ABM (10/10)PR & Media Relations (10/10)B2B SaaS Marketing (8/10)Blockchain/Fintech Marketing (8/10)DeFi (8/10)HubSpot (8/10)Marketing Analytics (8/10)Product Marketing (8/10)Salesforce CRM (8/10)Digital Advertising (SEM/LinkedIn) (7/10)Ethereum (7/10)SEO (7/10)Budget Management (7/10)Investor Relations (6/10)

Work Experience

Head of Americas Marketing

Vistra

Jan 2025 โ€” Apr 2026

Led Americas marketing strategy with integrated campaigns across content, PR, events, ABM, and digital targeting CFO, HR, legal, and fund audiences, generating $7.4m in marketing-sourced ACV. Developed events and sponsorship strategy driving $4.4m in attributable pipeline through 17 events. Launched first US-specific PR and thought leadership initiative generating 15 press pieces and 3 executive op-eds. Designed digital retargeting campaigns delivering 52k impressions and 24% website visit rates. Supported post-acquisition M&A integration and GTM strategy alignment.

Global Head of Marketing

Globacap

Apr 2024 โ€” May 2025

Spearheaded US market GTM launch for a private markets fintech platform, generating new clients, 8 press pieces, and 14,000 ad impressions. Led homepage redesign for SEO and conversion. Directed global Google SEM and LinkedIn campaigns resulting in 38% increase in new website users and 39% boost in engagement. Partnered with leadership to develop new brand in partnership with Cboe.

Independent Marketing Advisor

Independent Marketing Advisor

Sept 2022 โ€” Apr 2024

Advised B2B fintech, SaaS, and services companies on enterprise GTM, product launch, and demand generation strategies. Led investor relations and fundraising for a blockchain-focused VC fund, rebuilding CRM of 18,000 contacts. Built GTM strategy for a banking AI SaaS platform and enhanced sales/marketing alignment for tech startups through SEO-optimized website redevelopment.

Head of Institutional Marketing & Sales Enablement

Blockchain.com

May 2022 โ€” Aug 2022

Developed and executed marketing and sales enablement strategy for institutional offering to hedge funds and family offices. Improved inbound lead quality by 16% MoM via Salesforce contact form improvements. Built centralized internal sales portal with pitch decks, market insights, and training resources. Organized key business events, sponsorships, and partnership activations including Dallas Cowboys.

Global Head of Marketing & Sales

Novae

Sept 2021 โ€” May 2022

Built marketing and sales strategy for fintech product's US and international expansion including pitch creation and target customer identification. Implemented sales enablement strategy to enhance lead generation. Supported Series B fundraising by building relationships with key investors and partners.

Executive Director, Global Head of Marketing, Equity Electronic Trading

Goldman Sachs

Jun 2017 โ€” Sept 2021

Built and led global marketing function for equity electronic trading, scaling to a team of 4 globally. Defined value propositions, developed brand guidelines, coordinated product launches, and built content marketing program pushing 200+ reports in 2020 with average reach of 1,300 clients. Designed targeted campaigns driving $42m in incremental trading revenue QoQ. Secured 9 press articles and 3 industry awards in a single year.

Global & Regional Marketing Leadership โ€“ Tradebook

Bloomberg LP

Oct 2009 โ€” May 2017

Led global and regional marketing for Bloomberg Tradebook across US, EMEA, and APAC, managing a team of 3 and a $2m annual budget. Generated 658 qualified marketing leads. Created Global Charity Trading Day raising $5m+ for charity and driving 30% sustained uplift in trading volumes. Achieved 15% product trial rates and improved SEO Alexa rankings from 1.5m to 300k within one year.

Education

Columbia Business School

MBA ยท Business Administration

? โ€“ 2019

London Business School

MBA ยท Business Administration

? โ€“ 2019

Boston College

BA ยท Communication

? โ€“ 2009