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Brian Sizer, Cspo Email & Phone Number

Project Manager at Prosper Marketplace
Location: Phoenix, Arizona, United States 7 work roles 2 schools
1 work email found @choicehotels.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email b****@choicehotels.com
LinkedIn Profile matched
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Current company
Prosper Marketplace
Role
Project Manager
Location
Phoenix, Arizona, United States

Who is Brian Sizer, Cspo? Overview

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Quick answer

Brian Sizer, Cspo is listed as Project Manager at Prosper Marketplace, based in Phoenix, Arizona, United States. AeroLeads shows a work email signal at choicehotels.com and a matched LinkedIn profile for Brian Sizer, Cspo.

Brian Sizer, Cspo previously worked as Loyalty Operations Program Manager at Choice Hotels International and Senior Project Manager at Laneterralever. Brian Sizer, Cspo studied at Arizona State University.

Company email context

Email format at Prosper Marketplace

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*@choicehotels.com
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AeroLeads found 1 current-domain work email signal for Brian Sizer, Cspo. Compare company email patterns before reaching out.

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Profile bio

About Brian Sizer, Cspo

Brian Sizer, Cspo is a Project Manager at Prosper Marketplace. He possess expertise in adaptable, honorable, organized, knowledgable, industrious and 8 more skills.

Listed skills include Adaptable, Honorable, Organized, Knowledgable, and 9 others.

Current workplace

Brian Sizer, Cspo's current company

Company context helps verify the profile and gives searchers a useful next step.

Prosper Marketplace
Prosper Marketplace
Project Manager
Prosper Funding LLC 101 Second Street, 15th Floor San Francisco, CA 94105
Website
prosper.com
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Company profile
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7 roles

Brian Sizer, Cspo work experience

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

Loyalty Operations Program Manager

Choice Hotels International

North Bethesda, Maryland, US

  • Responsible for managing various projects while overseeing the development and implementation of partner integrations and enhancements to the Choice Privilege's Loyalty Program. Day-to-day responsibilities include:
  • Act as the product owner to project build teams for CP initiatives
  • Define & write business requirements for platform partner integration projects
  • Monitor the implementation of projects and communicate updates to stakeholders
  • Oversee digital & technical enhancements for the CP Loyalty program across multiple domains
  • Develop and implement processes and best practices for new enhancement updates and loyalty program promotions
Jun 2021 - Oct 2023

Senior Project Manager

Laneterralever

Phoenix, Arizona, US

  • Responsible for leading teams in the agencies largest and most complex projects while proactively identifying potential conflicts and scope issues. Day-to-day responsibilities included:
  • Oversight & management of ~500 team hours/week
  • Providing guidance and mentorship for peer development
  • Identifying process improvement opportunities
  • Helping enforce best practices within the PM department
Mar 2019 - Jun 2021

Project Manager

Laneterralever

Phoenix, Arizona, US

  • Coordinated the delivery of multiple projects by governing scope, unblocking team members, and identifying project priorities. Day-to-day responsibilities included:
  • Oversight & management of ~400 team hours/week
  • Development of project plans, timelines, and budgets
  • Analyzing budget deviations and developing plans to rightsize project overages
  • Forward planning development
Mar 2018 - Mar 2019

Associate Project Manager

Laneterralever

Phoenix, Arizona, US

  • Worked closely with account managers and delivery teams, helping ensure projects ran smoothly while learning the role of a project manager. Day-to-day responsibilities included:
  • Oversight and management of ~240 team hours/week
  • Development of project plans and timelines
  • Identifying and escalating project issues
  • Meeting coordination and ownership
Oct 2017 - Mar 2018

Account Coordinator

Laneterralever

Phoenix, Arizona, US

  • Supported the account manager for assigned clients while gaining client communication skills. Day-to-day responsibilities included:
  • Client communication and ensuring client satisfaction
  • Creation of client status agendas and other client-facing documents
  • Documenting and tracking meeting notes
  • Uploading content into the client's content management system
Mar 2016 - Oct 2017

Account Services Intern

Laneterralever

Phoenix, Arizona, US

  • Assisted the Account Management Department while learning the roles and responsibilities of an agency. Day-to-day responsibilities included:
  • Following up with clients
  • Organizing meetings & conferences
  • Creating & maintaining tracking documents
  • Creating & editing presentation decks
Oct 2015 - Mar 2016
Team & coworkers

Colleagues at Prosper Marketplace

Other employees you can reach at prosper.com. View company contacts →

JS John Speight John Speight Colleague at Prosper Marketplace Mesa, Arizona, United States, United States View → ML Misty Laney Misty Laney Colleague at Prosper Marketplace Scottsdale, Arizona, United States, United States View → LV Lindsay Valentine Lindsay Valentine Colleague at Prosper Marketplace Columbus, Ohio Metropolitan Area, United States, United States View → JG John Goldston John Goldston Colleague at Prosper Marketplace San Francisco, California, United States, United States View → AM Aditi Mittal Aditi Mittal Colleague at Prosper Marketplace Phoenix, Arizona, United States, United States View → CB Courtney Brightman Courtney Brightman Colleague at Prosper Marketplace Phoenix, Arizona, United States, United States View → TB Tyler Bolligar Tyler Bolligar Colleague at Prosper Marketplace Phoenix, Arizona, United States, United States View → BL Bun Ly Bun Ly Colleague at Prosper Marketplace Palo Alto, California, United States, United States View → BB Brian Bush Brian Bush Colleague at Prosper Marketplace San Francisco, California, United States, United States View → AR Alexandra Regalado Alexandra Regalado Colleague at Prosper Marketplace Greater Phoenix Area, United States, United States View →
2 education records

Brian Sizer, Cspo education

Education record

Arizona State University

Education record

Maricopa Community Colleges
FAQ

Frequently asked questions about Brian Sizer, Cspo

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

What company does Brian Sizer, Cspo work for?

Brian Sizer, Cspo works for Prosper Marketplace.

What is Brian Sizer, Cspo's role at Prosper Marketplace?

Brian Sizer, Cspo is listed as Project Manager at Prosper Marketplace.

What is Brian Sizer, Cspo's email address?

AeroLeads has found 1 work email signal at @choicehotels.com for Brian Sizer, Cspo at Prosper Marketplace.

Where is Brian Sizer, Cspo based?

Brian Sizer, Cspo is based in Phoenix, Arizona, United States while working with Prosper Marketplace.

What companies has Brian Sizer, Cspo worked for?

Brian Sizer, Cspo has worked for Prosper Marketplace, Choice Hotels International, and Laneterralever.

Who are Brian Sizer, Cspo's colleagues at Prosper Marketplace?

Brian Sizer, Cspo's colleagues at Prosper Marketplace include John Speight, Misty Laney, Lindsay Valentine, John Goldston, and Aditi Mittal.

How can I contact Brian Sizer, Cspo?

You can use AeroLeads to view verified contact signals for Brian Sizer, Cspo at Prosper Marketplace, including work email, phone, and LinkedIn data when available.

What schools did Brian Sizer, Cspo attend?

Brian Sizer, Cspo studied at Arizona State University.

What skills is Brian Sizer, Cspo known for?

Brian Sizer, Cspo is listed with skills including Adaptable, Honorable, Organized, Knowledgable, Industrious, Budget Management, Team Management, and Time Management.

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