Callisto

What Callisto does

Callisto is a non-profit environmental organization founded in 2004 and headquartered in Thessaloníki, Greece. Its mission is wildlife preservation and management, with a specialist focus on brown bears and wolves—species of significant ecological importance in the Balkans and a traditional focus of European conservation policy. The organization is led by founder and director Spyros Psaroudas and operates with a small team of 1-10 staff, consistent with a niche, field-driven conservation NGO rather than a large institutional player.

There is no public product, service catalog, or pricing model. The primary domain referenced in the input (legacy.callisto.gr) is currently offline, returning a 404 error, which materially limits verification of current programs, partnerships, and operational scope. No technology stack, proprietary tools, patents, certifications, or formal partnerships are documented in the supplied data.

As a non-profit, Callisto's financial model is presumed to rely on a mix of grants (likely including EU LIFE and similar Balkan/EU conservation funding mechanisms), government contracts, and donations, but no funding rounds, grant awards, or revenue figures are disclosed. The combination of a small headcount, narrow species focus, and inactive primary web property suggests a lean, specialist organization whose current visibility and resourcing cannot be reliably quantified from the available evidence.

Name

Callisto

Website

https://legacy.callisto.gr

Company type

Private

Founded year

2004

Headcount range

1–10 employees

Short description

Callisto is a non-profit environmental organization based in Thessaloníki, Greece, founded in 2004. It focuses on wildlife preservation and management, primarily of brown bears and wolves, operating with 1-10 staff under founder-director Spyros Psaroudas.

Ownership category

akta.pro rank

Product category

Wildlife Conservation

NAICS

Environment, Conservation and Wildlife Organizations (813312)

akta.pro primary industry

Wildlife Conservation & Species Protection (BPAGAGAB)

akta.pro secondary industry

Education & Community Outreach (Responsible Pet Ownership) (BPAGAIAK)

Keywords

• Wildlife preservation
• Brown bear conservation
• Wolf conservation
• Environmental nonprofit
• Wildlife management

Headquarters

HQ city

Thessaloníki

HQ country

Greece

HQ region

Europe

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Others

Core offering

Callisto is a non-profit environmental organization that focuses on wildlife preservation and management, primarily for brown bears and wolves. Founded in 2004 and headquartered in Thessaloníki, Greece, the group operates conservation programs targeting large carnivore species in the Greek wilderness.

Differentiator

Problem solved

Functional benefit

Products and services

• Wildlife Preservation and Management Program Conservation program focused on preserving and managing brown bears and wolves in the wild, including habitat protection, monitoring, and species management initiatives for the benefit of biodiversity in Greece.

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves2 records

Expansion highlights3 records

Direct peers

• Large Carnivore Initiative for Europe (LCIE): IUCN Species Survival Commission specialist group focused on bears, wolves, lynx, and wolverines across Europe. Directly comparable thematic focus, operating in the same policy and scientific advocacy space as Callisto.
• ARCTUROS: Greek NGO specializing in brown bear, wolf, and lynx conservation in the same Northern Pindus / Balkan ecosystem as Callisto. Directly comparable as a Greece-based, species-focused large carnivore conservation nonprofit.

Regional players

• 4WINGS: Greek environmental organization working on biodiversity monitoring and wildlife in Greece. Comparable as a Greek-based conservation NGO working on protected species, though with a different methodological focus.

Broad incumbents

• IUCN: Global conservation union that sets species status frameworks and convenes specialist groups on the very bears and wolves Callisto works on. Comparable as the institutional reference point governing the species and policy space the company operates in.
• WWF Greece: Greek affiliate of WWF working on multiple threatened species and habitats including large carnivores. Comparable as a conservation NGO operating in Greece, though with a far broader mandate and larger scale than Callisto.
• EuroNatur: German-based European nature conservation foundation with active programs on large carnivores and transboundary habitats in the Balkans. Comparable as a long-established European NGO working on the same flagship species and geographies.
• Rewilding Europe: Larger European rewilding organization operating across multiple countries and species. Comparable mission space (large carnivores, wilderness recovery) but with much broader geographic and thematic scope than Callisto's focused bear/wolf work.
• Frankfurt Zoological Society: International conservation foundation that has historically supported European large carnivore and habitat programs. Comparable as a funder/operator in the bear and wolf conservation space, though operating at a larger institutional scale.

Market position

Strengths3 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights4 records

Customer concentration

• Xx.com/callisto_gr
• LinkedInlinkedin.com/company/callisto

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Callisto