I’m Christina Mandalios, a proactive Executive Assistant and CRM/Administrative professional with a track record of shaping smooth operations for real estate, marketing, and tech-driven teams. I’ve supported startups and growing firms across the US, Canada, and the Philippines, improving CRM processes, coordinating complex calendars, and delivering organized, on-brand materials. I thrive on multi-tasking, problem solving, and turning conversations into action. I’m proficient with Zendesk, HubSpot, email marketing, content creation, and presentation design; I enjoy collaborating with teams to deliver seamless experiences for clients and colleagues. In my spare time I explore new tools to optimize workflows and deliver results.

Jessa Melody Gahallon

I’m Christina Mandalios, a proactive Executive Assistant and CRM/Administrative professional with a track record of shaping smooth operations for real estate, marketing, and tech-driven teams. I’ve supported startups and growing firms across the US, Canada, and the Philippines, improving CRM processes, coordinating complex calendars, and delivering organized, on-brand materials. I thrive on multi-tasking, problem solving, and turning conversations into action. I’m proficient with Zendesk, HubSpot, email marketing, content creation, and presentation design; I enjoy collaborating with teams to deliver seamless experiences for clients and colleagues. In my spare time I explore new tools to optimize workflows and deliver results.

Available to hire

I’m Christina Mandalios, a proactive Executive Assistant and CRM/Administrative professional with a track record of shaping smooth operations for real estate, marketing, and tech-driven teams. I’ve supported startups and growing firms across the US, Canada, and the Philippines, improving CRM processes, coordinating complex calendars, and delivering organized, on-brand materials. I thrive on multi-tasking, problem solving, and turning conversations into action.

I’m proficient with Zendesk, HubSpot, email marketing, content creation, and presentation design; I enjoy collaborating with teams to deliver seamless experiences for clients and colleagues. In my spare time I explore new tools to optimize workflows and deliver results.

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Language

English
Fluent

Work Experience

Freelance Executive Assistant at Various Clients
January 1, 2024 - December 31, 2024
Project-Based Experience: Bellagio Real Estate — supported property management tasks, tenant communications and lead management; CP Vacation Homes — managed email campaigns, monthly newsletters, Airbnb and Guesty platforms, social media presence, and property management; Ray White Hutt (NZ Real Estate) — provided CRM management, transaction coordination, lease reviews, and maintained a strong social media presence.
Executive Assistant at AMAZE
August 1, 2024 - February 28, 2025
Set up and managed the CRM from the ground up, tracked leads, and followed up on time. Managed the brand's social media, created AI-generated content, engaged on LinkedIn, handled email and calendar management, arranged travel, designed client pitches, monitored the AMAZE app and reported bugs, and supported marketing campaigns and partnerships.
Executive Assistant at Pace Global / Digital First, Canada
May 1, 2024 - August 31, 2024
Managed daily emails and calendar, supported ongoing projects and research tasks, coordinated travel, assisted with social media tasks, and designed client presentations using Canva and PowerPoint.
Real Estate Virtual Assistant at JuneHomes
October 1, 2022 - March 31, 2024
Handled tenant communications via Zendesk, the JuneHomes app, calls and email; managed lease onboarding/offboarding; prioritized and resolved emergency tickets; supported marketing by posting listings; managed maintenance requests and basic accounting tasks.

Education

Bachelor of Science in Business Administration at National University
January 1, 2016 - January 1, 2017

Qualifications

Add your qualifications or awards here.

Industry Experience

Real Estate & Construction, Professional Services, Media & Entertainment, Software & Internet, Retail